diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.classpath" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.classpath" new file mode 100644 index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.classpath" @@ -0,0 +1,6 @@ + + + + + + diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.project" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.project" new file mode 100644 index 0000000000000000000000000000000000000000..3e1df70401fa99f1e1c2d0ef0ec424768d5c1eaf --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.project" @@ -0,0 +1,17 @@ + + + lession01 + + + + + + org.eclipse.jdt.core.javabuilder + + + + + + org.eclipse.jdt.core.javanature + + diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.settings/org.eclipse.jdt.core.prefs" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.settings/org.eclipse.jdt.core.prefs" new file mode 100644 index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211 --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/.settings/org.eclipse.jdt.core.prefs" @@ -0,0 +1,11 @@ +eclipse.preferences.version=1 +org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled +org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8 +org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve +org.eclipse.jdt.core.compiler.compliance=1.8 +org.eclipse.jdt.core.compiler.debug.lineNumber=generate +org.eclipse.jdt.core.compiler.debug.localVariable=generate +org.eclipse.jdt.core.compiler.debug.sourceFile=generate +org.eclipse.jdt.core.compiler.problem.assertIdentifier=error +org.eclipse.jdt.core.compiler.problem.enumIdentifier=error +org.eclipse.jdt.core.compiler.source=1.8 diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo1.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo1.class" new file mode 100644 index 0000000000000000000000000000000000000000..6cbd15e2d393e45f2ea37fc03ac4889894bda2bd Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo1.class" differ diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo2.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo2.class" new file mode 100644 index 0000000000000000000000000000000000000000..af647e5a80c689a3b490154c42329938281ff5c6 Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo2.class" differ diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo3.class" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo3.class" new file mode 100644 index 0000000000000000000000000000000000000000..ef1caafaa7e4ec440849ffbe346ff5c84b34b417 Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/bin/lession01/Demo3.class" differ diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/java\350\257\276\345\240\202\347\254\224\350\256\260.xlsx" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/java\350\257\276\345\240\202\347\254\224\350\256\260.xlsx" new file mode 100644 index 0000000000000000000000000000000000000000..efdf26a2187cf2969a2552ebabb975cf44158849 Binary files /dev/null and "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/java\350\257\276\345\240\202\347\254\224\350\256\260.xlsx" differ diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo1.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo1.java" new file mode 100644 index 0000000000000000000000000000000000000000..944ef5841779dc3f05bb4b2531e7648b49293204 --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo1.java" @@ -0,0 +1,32 @@ + +package lession01; + +import java.util.Scanner; + +public class demo1 { + public static void main(String[] args) { + int a; + int b; + int c; + + Scanner scanner = new Scanner(System.in); + System.out.println("请输入第一个数字："); + a = scanner.nextInt(); + + System.out.println("请输入第二个数字："); + b = scanner.nextInt(); + + System.out.println("您输入的两个数字分别是："); + System.out.println("a = "+ a ); + System.out.println("b = "+ b); + + c = a; + a = b; + b = c; + + System.out.println("两个数字交换后为："); + System.out.println("a = "+ a); + System.out.println("b = "+ b); + } + +} diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo2.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo2.java" new file mode 100644 index 0000000000000000000000000000000000000000..3f008c37351069bf1844fb9f745af4199e340c5d --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo2.java" @@ -0,0 +1,25 @@ +package lession01; + +import java.util.Scanner; + +public class demo2 { + + public static void main(String[] args) { + // TODO Auto-generated method stub + int a ; + float b ; + double c ; + double d ; + + Scanner scanner = new Scanner(System.in); + System.out.println("请输入三个数："); + a = scanner.nextInt(); + b = scanner.nextFloat(); + c = scanner.nextDouble(); + + d = a + b + c; + + System.out.println("sum = "+ d); + } + +} diff --git "a/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo3.java" "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo3.java" new file mode 100644 index 0000000000000000000000000000000000000000..18433efac100e0a3aa58625fab371fb1ae9e8c11 --- /dev/null +++ "b/Java\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/src/lession01/Demo3.java" @@ -0,0 +1,27 @@ +package lession01; + +import java.util.Scanner; + +public class demo3 { + + public static void main(String[] args) { + // TODO Auto-generated method stub + Scanner scanner = new Scanner (System.in); + + double a ; + float b ; + int c ; + byte d ; + double sum; + + System.out.println("请输入double类型的值："); + a = scanner.nextDouble(); + b = (float)a; + c = (int)a; + d = (byte)a; + + sum = b + c + d ; + System.out.println("sum = "+ sum); + } + +} diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java" new file mode 100644 index 0000000000000000000000000000000000000000..2b782f676249f5964bcf72974e75f553ea891323 --- /dev/null +++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Runnian.java" @@ -0,0 +1,28 @@ +import java.util.Scanner; + +public class Runnian { + + public static void main(String[] args) { + // 判断是否为闰年 + Scanner scan = new Scanner(System.in); + + int a ; + + System.out.print("请输入查询年份："); + a = scan.nextInt(); + + int b = a % 4 ; + + if (a > 999 && a < 10000){ + if ( b == 0 ) { + System.out.print( a +"年是闰年。"); + }else { + System.out.print(a +"年不是闰年。"); + } + }else { + System.out.print("请输入正确的年份！"); + } + + } + +} diff --git "a/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java" "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java" new file mode 100644 index 0000000000000000000000000000000000000000..b7c025fe441fe5726f3c298ac2f29dc1f990070d --- /dev/null +++ "b/Java\347\254\254\344\272\224\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Zhuce.java" @@ -0,0 +1,27 @@ +import java.util.Scanner; + +public class Zhuce { + public static void main(String[] args) { + // 注册页面 + Scanner scan = new Scanner(System.in); + + String username ; + int password ; + int passwordagain ; + + System.out.print("请输入用户名："); + username = scan.next(); + + System.out.print("请输入密码："); + password = scan.nextInt(); + + System.out.print("请再输入你的密码："); + passwordagain = scan.nextInt(); + + if ( password == passwordagain) { + System.out.print("恭喜你注册成功！"); + }else { + System.out.print("两次密码不一致。"); + } + } +} diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo1.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo1.java" new file mode 100644 index 0000000000000000000000000000000000000000..8e6392f6661caccbc0702d3583de9d3e285c45e2 --- /dev/null +++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Demo1.java" @@ -0,0 +1,35 @@ +import java.util.Scanner; + +public class Demo1 { + public static void main(String[] args) { + // 使用户可以输入 + Scanner scan = new Scanner(System.in); + // 定义a～g的数据类型 + int a ; + int b ; + double c ; + double d ; + double e ; + double f ; + double g ; + // 使用户输入 “a” “b”的值 + System.out.print("请输入两个数字：\na = "); + a = scan.nextInt(); + System.out.print("b = "); + b = scan.nextInt(); + // 进行数据计算 + c = a + b ; + d = a - b ; + e = a * b ; + f = a / b ; + g = a % b ; + // 输出计算后数据 + System.out.println("计算后结果为："); + System.out.println("a + b = "+ c); + System.out.println("a - b = "+ d); + System.out.println("a * b = "+ e); + System.out.println("a / b = "+ f); + System.out.println("a % b = "+ g); + + } +} diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Huashidu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Huashidu.java" new file mode 100644 index 0000000000000000000000000000000000000000..5a84b7d019db41b0c57fd253885457574e8c2d1b --- /dev/null +++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Huashidu.java" @@ -0,0 +1,21 @@ +import java.util.Scanner; + +public class Huashidu { + + public static void main(String[] args) { + // 华氏摄氏转换 + + Scanner scan = new Scanner(System.in); + + double C ; + double F ; + + System.out.print("请输入您想查询的华氏度："); + F = scan.nextDouble(); + + C = (F - 32) * ((double)5 / (double)9); + + System.out.print("摄氏度为："+ C); + } + +} diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Siweishu.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Siweishu.java" new file mode 100644 index 0000000000000000000000000000000000000000..e79a8965dfc9db96e770c5cbdb1e4c3471059b29 --- /dev/null +++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Siweishu.java" @@ -0,0 +1,31 @@ +import java.util.Scanner; + +public class Siweishu { + + public static void main(String[] args) { + // 四位数 + + Scanner scan = new Scanner(System.in); + + int a ; + int qian ; + int bai ; + int shi ; + int ge ; + + System.out.print("输入一个四位数："); + a = scan.nextInt(); + + qian = a / 1000 ; + bai = a % 1000 / 100 ; + shi = a % 1000 % 100 / 10 ; + ge = a % 10 ; + + System.out.print("用户输入的千位位："+ qian + +"百位为："+ bai + +"十位为："+ shi + +"个位为："+ ge); + + } + +} diff --git "a/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuandemianji.java" "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuandemianji.java" new file mode 100644 index 0000000000000000000000000000000000000000..26e7816ebc14116acb7bb75a41a3779096231a4a --- /dev/null +++ "b/Java\347\254\254\345\233\233\346\254\241\344\275\234\344\270\232/\345\217\266\347\234\237/Yuandemianji.java" @@ -0,0 +1,25 @@ +import java.util.Scanner; + +public class Yuandemianji { + + public static void main(String[] args) { + // 圆的面积 + Scanner scan = new Scanner(System.in); + + // 定义圆基本信息的数据类型 + double r ; + double s ; + double π = 3.14; + + // 输入圆的半径 + System.out.print("请输入圆的半径："); + r = scan.nextDouble(); + + // 计算圆的面积 + s = π * (r * r); + + // 输出运算结果 + System.out.print("圆的面积是："+ s); + } + +}