摘要：package com.baidu.method;public class Array4 { public static void main(String[] args) { //1创建一个二维数组11*11 int[][]array1=new int[11][11]; array1[1][2]=1 阅读全文

摘要：package com.baidu.method;import java.util.Arrays;public class Array3 { public static void main(String[] args) { int[] array={1,2,4,7,444,222,0,332,12} 阅读全文

摘要：public class Demo { public static void main(String[] args) { int[] arrays={1,2,3,4,5}; //定义数组 System.out.println("原数组："); for (int array : arrays) { / 阅读全文

摘要：public class Demo { public static void main(String[] args) { for (int i = 1; i <= 5; i++) { for (int j = 5; j >= i; j--) { System.out.print(" "); } fo 阅读全文

摘要：public class Demo { public static void main(String[] args) { for (int j = 1; j <= 9; j++) {//表示第j行 for (int i = 1; i <= j; i++) {//表示第i列 System.out.pr 阅读全文