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));
}
}
