concat() method of String class helps append the specified string to the end of a string. In this post, we will look at the concat() method in detail. Method declaration – public String concat(String str). What does it do? It accepts a string in the function’s argument and appends it at the end of the […]
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In this post, we will learn about the compareTo() method of the String class. Method declaration – public int compareTo(String anotherString). What does it do? It will compare two strings in a lexicographical manner ( means in the alphabetical order), and the comparison is based on the Unicode value of each character. What does it
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charAt() method is used to get the element present at the specified index in the string. In this post, we will be looking at the charAt() method of the String class in Java. Method declaration – public char charAt(int index) What does it do? It will accept an index in the function’s argument and get
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A String represents a sequence of characters. In Java, strings are objects just like any other object. One interesting point about String in java is that it is immutable. Immutable means a string cannot be changed or modified once created. We will look at the immutability later in the post, don’t let us forget about
In this post, we will be looking at different ways of converting String to long in Java. We will first convert the String object into the Long wrapper class object in Java and but because of the unboxing feature of Java, that Long object will automatically be converted into the long primitive data type value.
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In this post, we will be looking at different ways of converting String to int in Java. In most of the cases, we will convert the string Object into the Integer wrapper class object but because of the unboxing feature of Java, that Integer object will automatically be converted into the int primitive data type
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Inheritance is one of the pillars of the OOP ( Object Oriented Programming), and it is almost everywhere in Java. Inheritance is the mechanism through which a class can inherit another class’s properties ( variables and methods ) and saves us from writing the code again for the new class. Before starting, let’s get familiar
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There are two modifiers in Java – access modifiers and non-access modifiers. In this post, we will discuss the access modifiers in Java. There are four types of access modifiers in Java – Public Access Modifier Private Access Modifier Protected Access Modifier Default Access Modifier or No modifier The below table describes their access through
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Classes and Objects are at the heart of every Object-oriented programming language and java is not an exception. What is a class? Class is a template or blueprint that describes the kinds of state and behavior that objects of its type support. What is an object? An object is an instance of a class and
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We would first recommend you read our previous post on how to make testng.xml programmatically, as this post will continue the previous one. We have covered some of the basics, and in this post, we will be focusing on some new and exciting things that we could do while making testng.xml at runtime or programmatically.
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