Java 中的堆栈移除等位()方法，示例
原文:https://www . geesforgeks . org/stack-remove alliances-method-in-Java-with-example/
Java . util . Stack . remove Alilements()方法用于从此堆栈中移除所有组件，并将其大小设置为零。
语法:
Stack.removeAllElements()
参数:该方法不取任何参数
返回值:函数不返回值。
下面的程序说明了 Java . util . stack . remove alloyments()方法。
例 1:
// Java code to illustrate removeAllElements()
import java.util.*;
public class GFG {
public static void main(String args[])
{
// Creating an empty Stack
Stack<String> stack = new Stack<String>();
// Use add() method to add elements into the Stack
stack.add("Welcome");
stack.add("To");
stack.add("Geeks");
stack.add("4");
stack.add("Geeks");
// Displaying the Stack
System.out.println("Stack: " + stack);
// removeAllElementsing the Stack
// using removeAllElements() method
stack.removeAllElements();
// Displaying the final Stack after removeAllElementsing
System.out.println("The final Stack: " + stack);
}
}
Output:
Stack: [Welcome, To, Geeks, 4, Geeks]
The final Stack: []
例 2:
// Java code to illustrate removeAllElements()
import java.util.*;
public class GFG {
public static void main(String args[])
{
// Creating an empty Stack
Stack<Integer> stack = new Stack<Integer>();
// Use add() method to add elements into the Queue
stack.add(10);
stack.add(15);
stack.add(30);
stack.add(20);
stack.add(5);
// Displaying the Stack
System.out.println("Stack: " + stack);
// removeAllElementsing the Stack
// using removeAllElements() method
stack.removeAllElements();
// Displaying the final Stack after removeAllElementsing
System.out.println("The final Stack: " + stack);
}
}
Output:
Stack: [10, 15, 30, 20, 5]
The final Stack: []
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