How-to articles, tricks, and solutions about JAVA
:: (double colon) operator in Java 8
In Java 8, the :: (double colon) operator is used to refer to a method or a constructor.
&& (AND) and || (OR) in IF statements
In Java, the && and || operators are used in if statements to combine multiple conditions.
A quick and easy way to join array elements with a separator (the opposite of split) in Java
To join array elements with a separator in Java, you can use the join method from the String class.
accessing a variable from another class
To access a variable from another class in Java, you can use the following steps:
add an element to int [] array in java
To add an element to an array in Java, you can use one of the following methods: