版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/qq_20172379/article/details/87098938
例子:
import java.util.Arrays;
public class shuzucaozuo {
public static void main(String[] args) {
int [] kwg = new int[]{1,19,2,10,38,6,90,4,1};
int [] kwg1 = new int[]{1,19,2,10,38,6,90,4,1};
boolean a = Arrays.equals(kwg,kwg1);//true
Arrays.sort(kwg);
for(int i:kwg){
System.out.print(i+" “);
}
int xxx = Arrays.binarySearch(kwg,90);
boolean b = kwg.equals(kwg1);//false
System.out.println(b+”"+“答案”+a);
System.out.println(kwg.toString());
System.out.println(“xxx:”+xxx);
// System.arraycopy(); src:源数组
//
// 打印结果 1 1 2 4 6 10 19 38 90 false答案true
// [I@2503dbd3
// xxx:8
}
/**
* System.arraycopy();
* rcPos:源数组要复制的起始位置 dest:目标数组 destPos:目标数组复制的起始位置 length:复制的长度
*/
}