sum()Java中使用IntStream类的方法返回此流中元素的总和。
语法如下-int sum()
要使用Java中的IntStream类,请导入以下包-import java.util.stream.IntStream;
创建IntStream并添加一些元素-IntStream intStream = IntStream.of(50, 100, 150, 200, 250, 300);
现在,返回上面添加的IntStream中元素的总和-int sumVal = intStream.sum();
以下是sum()在Java中实现IntStream方法的示例-
示例import java.util.stream.IntStream;
public class Demo {
public static void main(String[] args) {
IntStream intStream = IntStream.of(50, 100, 150, 200, 250, 300);
int sumVal = intStream.sum();
System.out.println("Sum of elements in the stream = "+sumVal);
}
}
输出结果Sum of elements in the stream = 1050