02java_数组及运算符

[qq_43122331]

public class FirstSample {
    public static void  main(String[] args)
    {
        //一维数组—字符串-第一种方式
        String[] cheer = {"我","是","最","棒","的"};
        //第二种方式
        String[] cheer_1 = new String[5];
        cheer_1[0] = "我";
        cheer_1[1] = "是";
        cheer_1[2] = "最";
        cheer_1[3] = "棒";
        cheer_1[4] = "的";


        //一维数组-整形-第一种方式
        int[] num1 = {100,200,300,400,500};
        //一维数组-整形-第二种方式
        int[] num2 = new int[5];
        num2[0] = 100;
        num2[1] = 200;
        num2[2] = 300;
        num2[3] = 400;
        num2[4] = 500;


        //二维数组—字符串-第一种方式
        String[][] two_sample = {{"第一个","二维"},{"数","组"}};
        //二维数组—字符串-第二种方式
        String[][] two_sample_1 = new String[2][2];
        two_sample_1[0][0] = "第一个";
        two_sample_1[0][1] = "二维";
        two_sample_1[1][0] = "数";
        two_sample_1[1][1] = "组";


        //二维数组-整形-第一种方式
        int[][] num3 = {{50,60},{70,80},{90,100}};

        int[][] num2_2 = new int[3][2];
        num2_2[0][0] = 50;
        num2_2[0][1] = 60;
        num2_2[1][0] = 70;
        num2_2[1][1] = 80;
        num2_2[2][0] = 90;
        num2_2[2][1] = 100;

        int x = 1; int y = 2;
        System.out.println(x/y);  //0
        System.out.println(y/x);  //2
        System.out.println(x%y); //1
        System.out.println(y%x); //0
        System.out.println((++x)+y);//4
    }
}