The decode() method is a static method of the Integer class that converts a string into an Integer instance. This post will look at the decode() method in detail and the difference between the decode() method and the valueOf() method of the Integer class. Method declaration – public static Integer decode(String nm) What does it […]
Integer.decode() method in Java with Examples Read More »
compare() method is used to compare two values numerically, whereas compareUnsigned() compares two values by treating them as unsigned. This post will look in detail at the Integer class’s compare() and compareUnsigned() methods. public static int compare(int x, int y) public static int compareUnsigned(int x, int y) Let’s look at both of them one by
Integer.compare() and Integer.compareUnsigned() methods Read More »
The bitCount() is a static method of the Integer class that counts the number of 1 bit in the two’s complement binary representation of the integer. It was introduced in Java 1.5, and this post will discuss the bitCount() method in detail. Method declaration – public static int bitCount(int i) What does it do? It
Integer.bitCount() method in Java with Examples Read More »
We have wrapper classes in Java that provide a mechanism to wrap primitive values in an object so that primitives can be used for the operations reserved only for objects. One such wrapper class is the Integer wrapper class which wraps an int primitive to facilitate object operations. The Integer class is present in java.lang
Integer Wrapper class in Java Read More »
valueOf() is a static method of the Integer wrapper class in Java that returns an Integer object corresponding to the argument(s) passed in it. In this post, we will look at the valueOf() method in detail. The valueOf() method has three overloaded methods – public static Integer valueOf(int i) public static Integer valueOf(String s) public
Integer.valueOf() method in Java with Examples Read More »
This post will discuss the parseInt() function of the Integer Wrapper class in detail. The parseInt() is a static method of the Integer class and can be called directly using the class name( Integer.parseInt() ) and has three overloaded methods which can be used as per the requirements. public static int parseInt(String s) public static
Integer.parseInt() method in Java with Examples Read More »
In this post, we will discuss the wrapper classes of Java in detail. Wrapper classes provide a mechanism to “wrap” primitive values in an object so that primitives can be used for the operations reserved for the objects, like being used in a map or Collections. The wrapper classes can be used in the process
Wrapper Classes in Java Read More »
The trimToSize() method is used to trim the capacity of an ArrayList to its current size. In this post, we are going to discuss the trimToSize() method in detail. Method declaration – public void trimToSize() What does it do? It is used to trim the capacity of an ArrayList to its current size. So, after
ArrayList trimToSize() method in Java Read More »
In this post, we will look at whether we can overload or override the main method in Java? But first, we would recommend you read the articles about method overloading and method overriding to understand these concepts. Can we overload the main method in Java? Can we override the main method in Java? Let’s look
Can we overload and override the main() method in Java? Read More »
In our previous article, we learned about the inheritance feature of Object-Oriented Programming, where a subclass or a child class inherits the properties of the superclass or the parent class. In this way, the subclass will have access to all of the variables and methods of the superclass unless they are private. But now, what
A Guide to Method Overriding in Java with Examples Read More »