数组的声明和初始化
package my;
public class MyJava {
?? ?
?? ?public static void main(String[] args) {
?? ??? ?// TODO Auto-generated method stub
?? ??? ?int[] x1;//聲明一個整型數(shù)組
?? ??? ?x1 = new int[3];//為x1數(shù)組分配內(nèi)存空間3個
?? ??? ?x1[0] = 10;
?? ??? ?x1[1] = 20;
?? ??? ?x1[2] = 30;
?? ??? ?
?? ??? ?int[] x2 = new int[]{1,2,3,4};//定義一個數(shù)組,并分配內(nèi)存空間,再賦值
?? ??? ?
?? ??? ?int[] x3 = {10,11,12,13};
?? ??? ?
?? ??? ?for (int j = 0; j < x3.length; j++) {
?? ??? ??? ?System.out.println(x3[j]);
?? ??? ?}
?? ??? ?
?? ??? ?String[] nameStrings = {"生而神靈","弱而能言","幼而尋齊","長而敦敏","成而登天"};
?? ??? ?
?? ??? ?for (int i = 0; i < nameStrings.length; i++) {
?? ??? ??? ?System.out.println(nameStrings[i]);
?? ??? ?}
?? ?}
}
轉(zhuǎn)載于:https://www.cnblogs.com/xunbu7/p/4052550.html
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