Java 中的 AtomicReferenceArray getPlain()方法，带示例
原文:https://www . geeksforgeeks . org/atomicreferencearray-get plain-method-in-Java-with-examples/
一个原子引用数组类的 getPlain() 方法用于返回这个原子引用数组对象的索引 I 处的元素的值，带有读取的内存语义，就像变量被声明为非易失性的一样。 语法:
public final E getPlain(int i)
参数:该方法接受指标 i 取值。 返回值:该方法在索引 I 处返回当前值 下面的程序说明了 getPlain()方法: 程序 1:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// AtomicReferenceArray.getPlain() method
import java.util.concurrent.atomic.*;
public class GFG {
public static void main(String[] args)
{
// create an atomic reference array
// object which stores Integer.
AtomicReferenceArray<Integer> array
= new AtomicReferenceArray<Integer>(5);
// set some value in array
array.set(0, 987);
array.set(1, 988);
array.set(2, 989);
array.set(3, 986);
// get and print the value
// using getPlain method
for (int i = 0; i < 4; i++) {
int value = array.getPlain(i);
System.out.println("value at "
+ i + " = "
+ value);
}
}
}
Output:
value at 0 = 987
value at 1 = 988
value at 2 = 989
value at 3 = 986
节目 2:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// AtomicReferenceArray.getPlain() method
import java.util.concurrent.atomic.*;
public class GFG {
public static void main(String[] args)
{
// create a array of Strings
String[] names
= { "AMAN", "AMAR", "SURAJ" };
// create an atomic reference object.
AtomicReferenceArray<String> array
= new AtomicReferenceArray<String>(names);
// get and print the value
// using getPlain method
for (int i = 0; i < array.length(); i++) {
String value = array.getPlain(i);
System.out.println("value at "
+ i + " = "
+ value);
}
}
}
Output:
value at 0 = AMAN
value at 1 = AMAR
value at 2 = SURAJ
参考文献:T2【https://docs . Oracle . com/javase/10/docs/API/Java/util/concurrent/atomic/atomic referencearray . html # getPlain(int)T4】
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