By default, a “for” loop in Java increments by “1” but it can be incremented or decremented by “2” with the help of the addition assignment operator “+=”.
Java
How to Check if a String Contains Only Digits in Java
To check if a string comprises only digits, apply the “Character.isDigit()” method, the “charAt()” method, the “contains()” method, or the “Regular Expression”.
How to Check if a String Contains a Substring in Java
For checking if a string contains a target substring in Java, implement the “contains()” method or the “indexOf()” method.
Enhanced for Loop in Java
The enhanced for loop, also known as the “for-each” loop, is a functionality that iterates through each of the values without using a function or a method.
How to Use Stream peek() Method in Java
Stream “peek()” method returns a Stream comprising the elements of the current stream and returns nothing if applied without a terminal operation.
How to Store Unicode Characters in Java
The “Unicode Characters” in Java can be stored by allocating unicode, unicode values, or ASCII values to the “char” data types.
Difference Between Length of Array and Size of ArrayList in Java
In Java, the length of an Array refers to space allocated while initializing the Array whereas the size of ArrayList is returned based on the contained elements in it.
What is ScheduledExecutorService Interface in Java
The “ScheduledExecutorService” interface in Java is a subinterface of “ExecutorService” used to run the given tasks periodically or once after a given delay