java.util.LinkedBlockingDeque类的equals()方法用于比较指定对象与此LinkedBlockingDeque是否相等。当且仅当指定对象也是LinkedBlockingDeque,且两个LinkedBlockingDeques具有相同的大小,并且两个LinkedBlockingDeques中所有对应的元素对相等时,才返回true。 (如果(e1 == null?e2 == null:e1.equals(e2)),则两个元素e1和e2相等。)换句话说,如果两个LinkedBlockingDeques包含相同顺序的相同元素,则它们被定义为相等。 。
用法:
public boolean equals(Object o)
参数:此方法将对象o作为要与此LinkedBlockingDeque进行相等性比较的参数。
返回值:如果指定对象等于此LinkedBlockingDeque,则此方法返回true。
以下示例说明了LinkedBlockingDeque.equals()方法:
示例1:
// Java Program Demonstrate equals()
// method of LinkedBlockingDeque
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws IllegalStateException
{
// create object of LinkedBlockingDeque
LinkedBlockingDeque<Integer> LBD1
= new LinkedBlockingDeque<Integer>();
// Add numbers to end of LinkedBlockingDeque
LBD1.add(7855642);
LBD1.add(35658786);
LBD1.add(5278367);
LBD1.add(74381793);
System.out.println("Linked Blocking Deque 1: " + LBD1);
// create another object of LinkedBlockingDeque
LinkedBlockingDeque<String> LBD2
= new LinkedBlockingDeque<String>();
// Add numbers to end of LinkedBlockingDeque
LBD2.add("1");
LBD2.add("2");
LBD2.add("3");
LBD2.add("4");
System.out.println("Linked Blocking Deque 2: " + LBD2);
// using equals() function
System.out.println("Are both Linked Blocking Deque equal: "
+ LBD1.equals(LBD2));
}
}
输出:
Linked Blocking Deque 1: [7855642, 35658786, 5278367, 74381793] Linked Blocking Deque 2: [1, 2, 3, 4] Are both Linked Blocking Deque equal: false
示例2:
// Java Program Demonstrate equals()
// method of LinkedBlockingDeque
// when the list contains characters
import java.util.concurrent.LinkedBlockingDeque;
import java.util.*;
public class GFG {
public static void main(String[] args)
throws IllegalStateException
{
// create object of LinkedBlockingDeque
LinkedBlockingDeque<String> LBD1
= new LinkedBlockingDeque<String>();
// Add numbers to end of LinkedBlockingDeque
LBD1.add("1");
LBD1.add("2");
LBD1.add("3");
LBD1.add("4");
System.out.println("Linked Blocking Deque 1: " + LBD1);
// using equals() function
System.out.println("Is LBD1 equal to LBD1: "
+ LBD1.equals(LBD1));
}
}
输出:
Linked Blocking Deque 1: [1, 2, 3, 4] Is LBD1 equal to LBD1: true
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注:本文由纯净天空筛选整理自Code_r大神的英文原创作品 LinkedBlockingDeque equals() method in Java with Example。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。