Java 中 LongAdder longValue()方法，带示例
原文:https://www . geesforgeks . org/long adder-long value-in-Java-method-with-examples/
Java 中的 LongAdder 类创建一个初始和为零的新加法器。爪哇。LongAdder.longValue() 是 java 中的一个内置方法，返回 sum()。这个方法相当于 sum()方法。创建类的对象时，其初始值为零。
语法:
public long longValue()
参数:函数不接受任何参数。
返回值:该方法返回一个长值，即当前的和。
以下程序演示了上述功能:
程序 1:
// Java program to demonstrate
// the LongAdder.longValue() method
import java.lang.*;
import java.util.concurrent.atomic.LongAdder;
public class GFG {
public static void main(String args[])
{
// Initialized with 0
LongAdder num = new LongAdder();
// Print the initial value
System.out.println("Initial value is: "
+ num);
// Add 6 to it
num.add(6);
// Print the final value
System.out.println("After addition"
+ " of 6, value is: "
+ num);
// Add 5 to it
num.add(5);
// Print the final value
System.out.println("After addition"
+ " of 5, value is: "
+ num);
// longValue operation on num
num.longValue();
// Print after sum
System.out.println("Returned longValue is: "
+ num);
}
}
Output:
Initial value is: 0
After addition of 6, value is: 6
After addition of 5, value is: 11
Returned longValue is: 11
程序 2:
// Java program to demonstrate
// the LongAdder.longValue() method
import java.lang.*;
import java.util.concurrent.atomic.LongAdder;
public class GFG {
public static void main(String args[])
{
// Initialized with 0
LongAdder num = new LongAdder();
// Print the initial value
System.out.println("Initial value is: "
+ num);
// Add 10 to it
num.add(10);
// Print the final value
System.out.println("After addition"
+ " of 10, value is: "
+ num);
// Add 100 to it
num.add(100);
// Print the final value
System.out.println("After addition"
+ " of 100, value is: "
+ num);
// longValue operation on num
num.longValue();
// Print after sum
System.out.println("Returned longValue is: "
+ num);
}
}
Output:
Initial value is: 0
After addition of 10, value is: 10
After addition of 100, value is: 110
Returned longValue is: 110
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