To check if an array contains a value in Java, use the “equals()” method, the “List.contains()” method, “Stream.anyMatch()” method, or “binarySearch()” method.

The exponents in Java can be calculated via the “Math.pow()” method, the “while” loop, the “for” loop, or via custom logic.

In Java, an element can be added to an array by creating a new array, using “ArrayList” or via the “System.arrayCopy()” method.

In Java programming language, the implements keyword is utilized to indicate that a class is implementing an interface.

The var keyword in Java is a way to declare different data types like strings, integers, etc. in Java without explicitly defining these data types

The matches() method of string in Java matches the regex with the specified string. It returns the output in a boolean type as true or false

To split a string in Java different methods are utilized including the split() method, the methods of the split Tokenizer class, and the Pattern class

The Java string indexOf() method returns the index of the character or a substring. There are four variants and multiple applications of this method