Java

Java Integer compareTo() Method | In this blog we discuss the pre-defined method compareTo() given in the wrapper class. The compareTo() method takes an integer argument to compare, if both are equal then it returns 0 else if the integer is greater than the argument integer then returns a value that is greater than 0 else […]

How To Reverse An Integer In Java | In this blog, we will see how to reverse an integer value in Java programming language. We can develop our custom method or we can take the help of the pre-defined methods available in the Integer class. The reverse() method given in the Integer class is used

Java Convert Integer To Short & Convert Short To Integer Java | In this blog, we will discuss how to convert the integer or int into a short data type or Short object and its reverse i.e. the short/Short into an Integer/int data type. The range of short data types is from -215 to 215-1 Or,

How To Reverse A Node Integer Linked List In Java | Let us demonstrate how to reverse a linked list. Output:- The Linked list is:88 55 24 0After Reversing the linked list:0 24 55 88

Compare Integer And Int Java | Here we see how to compare Integer and int in Java programming language. Both int and Integer seem the same but the main difference between them is int is a primitive data type whereas Integer is a Wrapper class. As int is a primitive data type it has less

Convert Integer To Byte In Java | In this blog, we will see how to convert the integer data type to byte data type. Both int and byte are primitive data types having wrapper classes Integer and Byte respectively, but the only difference is their capacity to hold the values. To convert Integer to Byte

Java.lang.integer Cannot Be Cast To Java.lang.boolean | While writing Java programs ClassCastException is one of the common exceptions we get due to incompatible conversions. In this post, we will discuss java.lang.ClassCastException: class java.lang.Integer cannot be cast to class java.lang.Boolean (java.lang.Integer and java.lang.Boolean are in module java.base of loader ‘bootstrap’). Example-1: java.lang.integer cannot be cast to

Java StringUtils substring() Method | In this blog, we study the substring method in the StringUtils class, this method returns the substring from the specified start and end index from the user. There are several variations in this method they are as follows:- 1) public static String substring(final String str, int start):- Gets a substring

How To Find Repeated Characters In A String In Java | How To Find Repeated Characters In A String In Java? How To Count Repeated Characters In A String Java? In this blog we will see how to find repeated characters in a string in Java, and if repeated characters are available then how to