From f928a2f0bcf55a0d011c8ecd3e9c75d3ecc8092c Mon Sep 17 00:00:00 2001 From: taoshengbo <2189915755@qq.com> Date: Wed, 22 May 2024 17:41:10 +0800 Subject: [PATCH 1/2] =?UTF-8?q?=E6=8F=90=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Main_4.java" | 2 +- .../Date.java" | 34 +++++++++++++++++-- .../Main_1.java" | 18 ++++++++++ 3 files changed, 51 insertions(+), 3 deletions(-) create mode 100644 "work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" diff --git "a/work/com/java/minxi/java_20240508/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_4.java" "b/work/com/java/minxi/java_20240508/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_4.java" index 44b62e1..05a422c 100644 --- "a/work/com/java/minxi/java_20240508/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_4.java" +++ "b/work/com/java/minxi/java_20240508/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_4.java" @@ -39,4 +39,4 @@ public class Main_4 { } } -} + diff --git "a/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Date.java" "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Date.java" index fcf7e60..a5646bb 100644 --- "a/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Date.java" +++ "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Date.java" @@ -1,7 +1,37 @@ package com.java.minxi.java_20240516.java_2302_陶盛博_2344310243; -public class Date { - public static void main(String[] args) { +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.Calendar; + + +public class Date extends java.util.Date { + + + + + public static void main(String[] args) throws ParseException { + Date date = new Date(); + Calendar instance = Calendar.getInstance(); + instance.setTime(date); + int i =instance.get(Calendar.YEAR); + System.out.println(i); + + SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH:mm:ss"); + + String format = simpleDateFormat.format(date); + System.out.println(format); + + Date parse= (Date) simpleDateFormat.parse(format); + + + long l = System.currentTimeMillis(); + Date date1 = new Date(); + String format1 = simpleDateFormat.format(date1); + + + + diff --git "a/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" new file mode 100644 index 0000000..adc474a --- /dev/null +++ "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" @@ -0,0 +1,18 @@ +package com.java.minxi.java_20240516.java_2302_陶盛博_2344310243; + +public class Main_1 { + public static void main(String[] args) { + String str = "a"+"b"+"c"; + int length1 =getLength(str); + + String str1 = "a"+"b"+"c"; + String[] split= str1.split(","); + + StringBuffer stringBuffer = new StringBuffer(); + + } + + private static int getLength(String str) { + return str.length(); + } +} -- Gitee From c7b9d732dd8b0732b01e9baab4e13bd4e7c4e4c5 Mon Sep 17 00:00:00 2001 From: taoshengbo <2189915755@qq.com> Date: Thu, 23 May 2024 11:34:24 +0800 Subject: [PATCH 2/2] =?UTF-8?q?=E6=9B=B4=E6=94=B9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Main_1.java" | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git "a/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" index adc474a..35d4730 100644 --- "a/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" +++ "b/work/com/java/minxi/java_20240516/java_2302_\351\231\266\347\233\233\345\215\232_2344310243/Main_1.java" @@ -1,5 +1,7 @@ package com.java.minxi.java_20240516.java_2302_陶盛博_2344310243; +import java.math.BigDecimal; + public class Main_1 { public static void main(String[] args) { String str = "a"+"b"+"c"; @@ -9,6 +11,45 @@ public class Main_1 { String[] split= str1.split(","); StringBuffer stringBuffer = new StringBuffer(); + StringBuffer append= stringBuffer.append(str1); + StringBuffer reverse = append.reverse(); + System.out.println(reverse); + + String tesr= "asdfgdfa"; + String s1=tesr.toUpperCase(); + String s2 = tesr.toLowerCase(); + + tesr.contains("d"); + tesr.replace("d","c"); + + + + tesr.trim(); + str1.equals(tesr); + str1.equalsIgnoreCase(tesr); + + tesr.substring(1,2); + + + tesr.endsWith("b"); + tesr.startsWith("d"); + + String te = "3.05"; + double v = Double.parseDouble(te); + + StringBuilder stringBuilder= new StringBuilder(); + StringBuilder append1= stringBuilder.append(str1); + + BigDecimal bigDecimal = new BigDecimal(3.05); + + BigDecimal add= bigDecimal.add(bigDecimal); + BigDecimal subtract = bigDecimal.subtract(bigDecimal); + BigDecimal multiply = bigDecimal.multiply(bigDecimal); + BigDecimal DIVIDE = bigDecimal.divide(bigDecimal,2,BigDecimal.ROUND_HALF_UP); + + int rs = bigDecimal.compareTo(bigDecimal); + + } -- Gitee