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Java Reflection - Class.isPrimitive() Examples

[Last Updated: Oct 30, 2025]

Java Reflection Java Java API

Class:

java.lang.Class

Method:

public boolean isPrimitive()

Returns true if and only if this class represents a primitive type.

Examples

package com.logicbig.example.clazz;

public class IsPrimitiveExample {

    public static void main(String... args) {
        boolean b = int.class.isPrimitive();
        System.out.println(b);

        b = int[].class.isPrimitive();
        System.out.println(b);

        b = Integer.class.isPrimitive();
        System.out.println(b);
    }
}

Output

true
false
false

package com.logicbig.example.clazz;

public class IsPrimitiveExample2 {

    public static void main(String... args) {
        boolean b = void.class.isPrimitive();
        System.out.println(b);

        b = Void.class.isPrimitive();
        System.out.println(b);
    }
}

Output

true
false

See Also