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Java reflection call or invoke public method


The invoke() method is used to call public method in java using reflection API.

Example

TestClass.java

package com.codesjava;
 
public class TestClass {
	public void display(String message){
		System.out.println(message);
	}
}

ReflectionTest.java

package com.codesjava;
 
import java.lang.reflect.Method;
 
public class ReflectionTest {
	public static void main(String args[]){
		try {
			TestClass testClass = new TestClass();
			Class c=Class.forName("com.codesjava.TestClass");  
			Method method = c.getMethod("display", String.class);
			method.invoke(testClass, "Hello codesjava");
		} catch (Exception e) {
			e.printStackTrace();
		}  
	}
}

Output

Hello codesjava
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