例2.11

package xuhao;

import java.util.Arrays;

public class xuhaoz {

public static void output(int[]array) {

if(array !=null) {

for(int i=0;i<array.length;i++) {

System.out.println(array[i]+"");

}

}

System.out.println();

}

public static void main(String[] args) {

int[] array0=new int[5];

Arrays.fill(array0,5);

System.out.println("调用Arrays.fill(array0.5)后:");

UsingArrays.output(array0);

Arrays.fill(array0,2,4,8);

System.out.println("调用Arrays.fill(array0,0,2,4,8))后:");

UsingArrays.output(array0);

int[] array1=new int[] {7,8,3,12,6,3,5,4};

Arrays.sort(array1,2,7);

System.out.println("调用Arrays,sort(array1,2,7)后:");

UsingArrays.output(array1);

Arrays.sort(array1);

System.out.println("调用Arrays.sort(array)后:");

UsingArrays.output(array1);

System.out.println(Arrays.equals(array0,array1));

int[] array2=(int[])array1.clone();

System.out.println("array1 和 array2是否相等?"

+ Arrays.equals(array1,array2));

Arrays.sort(array1);

System.out.println("元素3在array中的位置:"

+Arrays.binarySearch(array1,3));

System.out.println("元素9在array1中的位置:"

+ Arrays.binarySearch(array1,9));

  }

}