The Blank identifier in Go Language is a single underscore ( _ ) operator. But before going further on what it is and how to use it? Let’s first focus on why we need a blank identifier? We know that the Go language doesn’t allow us to declare a variable unless we use it. Go […]
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There are many ways to convert a double value into a string in Java. Double.toString() method String.valueOf() method Using + operator Using StringBuilder or StringBuffer append() function Using DecimalFormat Let’s look at all of the ways one by one Double.toString() method Java has a wrapper class Double over the double primitive type and that wrapper
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GoLang will feel similar to taking inputs in C, C++, and Java language. There are multiple ways to take input from a user in the Go language. Using Scanf() method Scanln() method Using NewReader() method Using NewScanner() method Let’s take a look at each one by one Using Scanf() method Scanf() function is part of
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One of the core components of Go is its control structures. This includes the if-else statement, which allows developers to implement conditional statements in their code. This post will discuss the Go language’s decision-making capabilities using if-else statements. There are multiple combinations of if-else statements that can be used and we will go through each
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The endsWith() method tells us whether a string ends with a specified string or not. This post will discuss the endsWith() method of the String class in detail. Method declaration –public boolean endsWith(String suffix). What does it do? It tells us whether the string ends with the specified string ( the string passed as the
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This post will discuss the startsWith() method of the String class in detail. startsWith() helps us determine whether the string starts with the specified string. We have also kept some fun what-if scenarios at the end of the post. In Java, we have two overloaded startsWith() methods – public boolean startsWith(String prefix) public boolean startsWith(String
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Before proceeding, there are few points that we should know about While converting double to an int, the decimal values will be lost ( 3.14 would be converted 3 ). Second, whether we want to convert our double to a floor int value ( means converting 3.14 to 3) or a ceil int value (
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One of the key features of TestNG is its ability to categorize test methods into groups. Groups in TestNG help you organize your tests into different categories, allowing you to execute them selectively based on the group they belong to. This article will dive deep into TestNG groups, explaining their significance and how to use
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There are different ways of converting a long to an int in Java. Math.toIntExact() method intValue() method Using Strings There is a reason that our list does not contain direct typecasting of long into an int because it can lead to integer overflow and you may end up using the wrong value. Below is an
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The Java String substring() method returns a part of the String and there are two overloaded substring() methods in Java. public String substring(int beginIndex) public String substring(int beginIndex, int endIndex) Let’s look at both of the methods one by one public String substring(int beginIndex) What does it do? It takes an index into the argument
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