Usage & benefits of “super” keyword in Java
super keyword super keyword is used to call parent class methods, variables in child class for ease of use, also…
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“this” keyword in java with examples
We will see the usage of “this” keyword one by one with examples – “this” keyword refers to current class…
String to char in java- str.charat(index)
If you want to display or get any one character from a string, java provides a method .charAt(index) [this returns…
String to char array in java- str.tochararray()
If you want to convert a string into character array, java provides a method .toCharArray() [this returns a character array],…
str.indexof(char) – index of char with in string using java
We have seen how to get a particular character from a string by providing the index, the same manner if…
Sorting array using Java
For sorting in the order of ascending or descending, we have one of the most popular sorting technique is bubble…
read and write key/value data using .properties file
.properties is a file extension for files mainly used in Java to store the configurable parameters of an application. the parameters are in…
Print prime numbers in java
A prime number which can not be divided by any other number except 1 or by itself. The only even…
Print fibonacci series numbers in java
Fibonacci series numbers – A particular sequence of integers logic – First two numbers are 0 and 1, then next…