import java.util.Arrays;
import java.util.function.IntBinaryOperator;
import java.util.function.IntUnaryOperator;
public class MyDemo1 {
public static void main(String[] args) {
//parallelSort方法对数组进行排序,这方法与传统的sort()方法大致相似,该方法的功能与传统的sort()方法大致相似
//只是在多cpu上有更好的性能
int[] arr1=new int[]{3,-4,25,16,30,18};
//对数组进行并发排序
Arrays.parallelSort(arr1);
System.out.println(Arrays.toString(arr1));
int[] arr2=new int[]{3,-4,25,16,30,18};
Arrays.parallelPrefix(arr2, new IntBinaryOperator() {
public int applyAsInt(int left, int right) {
//left代表数组中前一个索引处的元素,计算第一个元素时,left为1
//right代表数组中当前索引处的元素
return left*right;
}
});
System.out.println(Arrays.toString(arr2));
int[] arr3=new int[5];
Arrays.parallelSetAll(arr3, new IntUnaryOperator() {
public int applyAsInt(int operand) {
//operand代表正在计算的元素的索引
return operand*5;
}
});
System.out.println(Arrays.toString(arr3));
/**输出结果:[-4, 3, 16, 18, 25, 30]
[3, -12, -300, -4800, -144000, -2592000]
[0, 5, 10, 15, 20]
*/
}
}