Answers for "static version of interface"

0

How many static methods can an interface have?

package com.journaldev.java8.staticmethod;

public interface MyData {

	default void print(String str) {
		if (!isNull(str))
			System.out.println("MyData Print::" + str);
	}

	static boolean isNull(String str) {
		System.out.println("Interface Null Check");

		return str == null ? true : "".equals(str) ? true : false;
	}
}
Posted by: Guest on March-24-2020
0

How many static methods can an interface have?

package com.journaldev.java8.staticmethod;

public class MyDataImpl implements MyData {

	public boolean isNull(String str) {
		System.out.println("Impl Null Check");

		return str == null ? true : false;
	}
	
	public static void main(String args[]){
		MyDataImpl obj = new MyDataImpl();
		obj.print("");
		obj.isNull("abc");
	}
}
Posted by: Guest on March-24-2020

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