Strings are objects in Java. Just like creating other objects, you can create an instance of a String with the new keyword, like this, But since we will use Strings all the time, the most direct [...]
String class provides many constructors to create a new String object from character array, byte array, StringBuffer, StringBuilder, etc. Constructor Purpose String() Creates an empty string. [...]
All Java classes inherit a toString() defined in java.lang.Object that is used to generate a string representation of the object. For example, consider the following: 43 In this case, a Long [...]
There are slight differences between the various methods of creating a String object. String allocation, like all object allocation, proves costly in both time and memory. The JVM performs some [...]
String Comparison Java String class provides methods for comparing two strings such as equals(), equalsIgnoreCase(), compareTo(). Method Purpose compareTo(String) Compares two strings. Returns 0 [...]
Searching Strings You can search a string for the occurrence of a character or another string. Method Purpose indexOf(int) Searches for the first occurrence of the specified character. Returns [...]
String formatting The static method format is used to return a formatted string using the specified format string and arguments. The method syntax is as follows, public static String [...]
The split method splits the string around matches of the given regular expression and the matched strings are returned as an array of String objects. The method signature is as follows, public [...]
It is important to understand that the equals( ) method and the == operator perform two different operations. For String class equals() Compares the characters inside a String object, i.e.) it [...]
String objects are immutable in Java; a method that is passed a reference to a String object cannot change the original object. In main: Before Passing String to method: Hello In method(): Hello [...]