TreeSet add Example
TreeSet class add example.boolean add(Object e) Adds the specified element to this set if it is not already present.
Here is the code
/**
* @ # Add.java
* A class repersenting use to add method
* of TreeSet class in java.util package
* version 23 May 2008
* author Rose India
*/
import java.util.*;
public class Add {
public static void main(String[] args) {
// Create a new TreeSet object:
TreeSet ts = new TreeSet();
// Create new element objects:
Integer x = new Integer(5);
Integer y = new Integer(4);
Integer z = new Integer(4);
// Add the elements to the set and display it:
System.out.println("Element is added :" + ts.add(x));
System.out.println("Element is added :" + ts.add(y));
System.out.println("Element is added :" + ts.add(z));
System.out.println("ts = " + ts);
}
}
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Output
Element is added :true
Element is added :true
Element is added :false
ts = [4, 5] |
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