JavaTuples getValue() method

The getValue() method in org.javatuples is used to fetch the value of the TupleClassObject from the index passed as the parameter. This method can be used to any tuple class object of javatuples library. It returns a Object value which is the element present at the index, passed as parameter, of the TupleClassObject. Since the returned Value is of Object type, hence using getValue() loses the type-safety.

Method Declaration:

public final Object getValue(int pos)

Syntax:

Object val = TupleClassObject.getValue(int pos)

Here TupleClassObject represents the JavaTuple Class object used like Unit, Quintet, Decade, etc.

Parameters: This method takes pos as parameter where:

• pos– is the index at which the value of the TupleClassObject is to be known.
• TupleClassObject– represents the JavaTuple Class object used like Unit, Quintet, Decade, etc.

Return Value: This method returns a Object value which is the element present at the index, passed as parameter, of the TupleClassObject.

Below programs illustrate the various ways to use getValue() method:

Program 1: Using getValue() with Unit class:

// Below is a Java program to use getValue() method

import java.util.*;
import org.javatuples.Unit;

class GfG {
    public static void main(String[] args)
    {
        // Creating an Unit with one value
        Unit<String> unit = Unit.with("GeeksforGeeks");

        // Using getValue() method
        Object val = unit.getValue(0);

        System.out.println("Value at 0 = " + val);
    }
}

Output:

Value at 0 = GeeksforGeeks

Program 2: Using getValue() with Quartet class:

// Below is a Java program to use getValue() method

import java.util.*;
import org.javatuples.Quartet;

class GfG {
    public static void main(String[] args)
    {
        Quartet<String, String, String, String> quartet
            = Quartet.with("GeeksforGeeks",
                           "A computer portal",
                           "for geeks",
                           "by Sandeep Jain");

        // Using getValue() method
        Object val = quartet.getValue(2);

        System.out.println("Value at 2 = " + val);
    }
}

Output:

Value at 2 = for geeks

Note: Similarly, it can be used with any other JavaTuple Class.