Modifier isTransient(mod) method in Java with Examples

The isTransient(mod) method of java.lang.reflect.Modifier is used to check if the integer argument includes the transient modifier or not. If this integer parameter represents transient type Modifier then method returns true else false.

Syntax:

public static boolean isTransient(int mod)

Parameters: This method accepts a integer names as mod represents a set of modifiers.



Return: This method returns true if mod includes the transient modifier; false otherwise.

Below programs illustrate isTransient() method:
Program 1:

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// Java program to illustrate isTransient() method
  
import java.lang.reflect.*;
  
public class GFG {
  
    public static transient int number = 1000;
  
    public static void main(String[] args)
        throws NoSuchFieldException,
               SecurityException
    {
  
        // get Field class object
        Field field
            = GFG
                  .class
                  .getDeclaredField("number");
  
        // get Modifier Integer value
        int mod = field.getModifiers();
  
        // check Modifier is transient or not
        boolean result
            = Modifier.isTransient(mod);
  
        System.out.println("Mod integer value "
                           + mod + " is transient : "
                           + result);
    }
}

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Output:

Mod integer value 137 is transient : true

Program 2:

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// Java program to illustrate isTransient()
  
import java.io.Serializable;
import java.lang.reflect.*;
  
public class GFG {
  
    public static void main(String[] args)
        throws NoSuchFieldException,
               SecurityException
    {
  
        // get Field class object
        Field field
            = GFGTest
                  .class
                  .getDeclaredField("password");
  
        // get Modifier Integer value
        int mod = field.getModifiers();
  
        // check Modifier is transient or not
        boolean result = Modifier.isTransient(mod);
  
        System.out.println("Mod integer value "
                           + mod
                           + " is transient : "
                           + result);
    }
  
    // A sample class that uses a transient keyword to
    // skip their serialization.
    class GFGTest implements Serializable {
  
        // Making password transient for security
        private transient String password;
  
        // other code
    }
}

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Output:

Mod integer value 130 is transient : true

References: https://docs.oracle.com/javase/10/docs/api/java/lang/reflect/Modifier.html#isTransient(int)



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