In GO, a variable is a piece of storage containing a value. You can give a variable name by using the variable declaration but before going all out on the variables, let’s look at how to name a variable in GO. Naming conventions for variables In GO A variable name must begin with a letter […]
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Keywords or reserved keywords in a language are words that cannot be used for any purpose other than they are intended to. So, we cannot use them as the variable name or any other identifiers. There are 25 such keywords in Go Language break default func interface select case defer go map struct chane else
Go is a statically typed language, which means it knows what types of values are, even before our program runs. Functions expect their arguments to be of a particular data type, and so do their return values. So, if you use any wrong type value in the wrong place, Go will let you know about
strip() method was introduced in Java 11, and it helps remove the leading and trailing whitespaces from the string. In this post, we will discuss the strip() method in detail and see how it is different from the trim() method. Method declaration – public String strip() What does it do? – It will remove all
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Method declaration – public String trim() What does it do? trim() method will remove all leading and trailing spaces from the string, where space is defined as any character whose codepoint is less than or equal to ‘U+0020’ ( the space character). What does it return? If returns a string with all of its leading
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Hello world! is the first program that one writes while learning a language. So, let’s write one using the Go language. You can open https://play.golang.org/, delete the code in the editing area, and write the below code. Now, click on the run button, and you will see the output Let’s look at different parts of
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indexOf() method is a way of finding the index of the first occurrence of a character or a string. In this post, we will discuss the indexOf() method of the String class in detail. indexOf() method has below overloaded methods – public int indexOf(int ch) public int indexOf(int ch, int fromIndex) public int indexOf(String str)
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isEmpty() method of the String class will tell you whether the String is empty or not. In this post, we will be learning about the isEmpty() method in detail. Method declaration – public boolean isEmpty(). What does it do? – It will tell whether the string is empty or not by checking the length of
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length() method tells us about the size of the string. In this post, we will discuss the length() method of the String class in detail. Method declaration – public int length(). What does it do and return? It helps in returning the size of the string. The length equals the number of Unicode code units
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contains() method is a String class method that will check whether the string contains the specified sequence of char values. In this post, we will learn about the contains() method. Method declaration – public boolean contains(CharSequence s). What does it do? – It accepts a sequence of characters in the function’s argument and checks whether
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