To initialize an array in Java, use the default value, “new” keyword, or call the built-in methods such as IntStream.range(), clone(), setAll(), etc.
Java
How to Get String Length in Java?
The length() method of the Java String and StringUtils class or the length property for Arrays are used to get the string length as shown in this article.
How to Find the Area of Triangle in Java?
To calculate the area of a triangle, use (base * height) / 2, implement Heron’s formula, or use the Math class methods, etc, as shown in this article.
How to Convert Set to a List in Java?
To convert a Set to a List in Java, you can use different methods, such as “List.addAll()”, “List Constructor”, “Java 8 Stream API”, “copyOf()”, etc.
How to Check Java Version on Windows | Mac | Linux
To check the Java version on Windows, Linux, or Mac operating systems, run the “java –version” command from the respective terminal.
How to Format a String With printf() in Java
To format a string with printf() in Java, execute the “System.out.printf()” statement with the “%s” or “%S” format specifier.
How to Sort a Map by Value in Java
In Java, you can sort a map by value using three methods: “Collections.sort()”, “Stream().sorted()”, and “Custom Comparators”.
How to Use StringUtils Class in Java
To Use the StringUtils class in Java, add its corresponding Apache Commons dependency in a “pom.xml” file of your maven project.