jdk1.8使用的流API代码如下
import java.util.*; public class solution { publicstaticvoidmain (string [ ] args ) listintegerlist=newarraylistinteger }; list.add(1; list.add(2); list.add(3; list.add(4; list.add(5; int [ ] nums=list.stream (.maptoint (integer 33603360 intvalue ).toArray ); for(intI=0; inums.length; I ) system.out.print(nums[I] ' ); }}输出的结果
1 2 3 4 5