Java 中 LongAdder add()方法，带示例
原文:https://www . geesforgeks . org/long adder-add-method-in-Java-with-examples/
Java 中的 LongAdder 类创建一个初始和为零的新加法器。爪哇。LongAdder.add() 是 java 中的一个内置方法，用于添加给定值。
语法:
public void add(long x)
参数:该函数接受单个参数 x ，该参数指定要添加的值。
返回值:该方法不返回值。
以下程序演示了上述功能:
程序 1:
// Java program to demonstrate
// the LongAdder.add() 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);
}
}
Output:
Initial value is: 0
After addition of 6, value is: 6
After addition of 5, value is: 11
程序 2:
// Java program to demonstrate
// the LongAdder.add() 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 -5 to it
num.add(-5);
// Print the final value
System.out.println("After addition"
+ " of -5, value is: "
+ num);
}
}
Output:
Initial value is: 0
After addition of 10, value is: 10
After addition of -5, value is: 5
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