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;
}
}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");
}
}Copyright © 2021 Codeinu
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