编辑代码

public class qqq {
	public static void main(String[] args) {
          int z [] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
		   
         System.out.println("数组中某些数值为");  
        System.out.println("z[0]= "+z[0]+",z[1]= "+z[1]+",z[4]= "+z[4]+",z[19]= "+z[19]);

        z[0]=99;
        z[1]=88;
        System.out.println("修改后的数据");
        System.out.println("z[0]= "+z[0]+",z[1]= "+z[1]);
	}
}