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ZoneOffsetTransition isOverlap() method in Java with Example

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The isOverlap() method of java.time.zone.ZoneOffsetTransition class is used to check if there is an overlapping in between the transition or not.

 Syntax:

public boolean isOverlap()

Parameter: this method does not accept any parameter. 

Return Value: This method returns true if there is an overlapping in between the transition or not. 

Below are the examples to illustrate the isOverlap() method: 
Example 1: 

Java

// Java program to demonstrate
// isOverlap() method
 
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.zone.*;
 
public class GFG {
    public static void main(String[] argv)
    {
 
        // creating and initializing
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                1999, 04, 25,
                03, 24, 59, 0);
 
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofHoursMinutes(0, 8);
 
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(9);
 
        // creating and initializing
        // ZoneOffsetTransition Object
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);
 
        // comparing both object using
        // isOverlap() method
        boolean status = zonetrans1.isOverlap();
 
        // display the result
        if (status)
            System.out.println(
                "there is an overlapping");
        else
            System.out.println(
                "no overlapping found");
    }
}

                    
Output:
there is an overlapping

Example 2: 

Java

// Java program to demonstrate
// isOverlap() method
 
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
import java.time.zone.*;
 
public class GFG {
    public static void main(String[] argv)
    {
 
        // creating and initializing
        // the object of LocalDateTime
        LocalDateTime loc
            = LocalDateTime.of(
                1999, 04, 25,
                03, 24, 59, 0);
 
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off1
            = ZoneOffset.ofTotalSeconds(8);
 
        // creating and initializing
        // the object of ZoneOffset
        ZoneOffset off2
            = ZoneOffset.ofTotalSeconds(12);
 
        // creating and initializing
        // ZoneOffsetTransition Object
        ZoneOffsetTransition zonetrans1
            = ZoneOffsetTransition.of(
                loc, off1, off2);
 
        // comparing both object using
        // isOverlap() method
        boolean status = zonetrans1.isOverlap();
 
        // display the result
        if (status)
            System.out.println(
                "there is an overlapping");
        else
            System.out.println(
                "no overlapping found");
    }
}

                    
Output:
no overlapping found

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/zone/ZoneOffsetTransition.html#isOverlap–



Last Updated : 24 Jan, 2023
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