weixin_44960024的博客

import java.text.DecimalFormat; import java.util.Scanner; public class ScannerTest { public static void main(String[] args){ int[] num = new int[10]; int max = 0; int min ...

public class StringTest { public static void main(String[] args){ String str1 = "ABCDEFG"; String final1 = str1.substring(2,4); char final2 = str1.charAt(1); char f...