Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index. replaces all occurrences of the specified char value. Let's first understand what is String in Java and how to create the String object. Tests if this string ends with the specified suffix.

static String copyValueOf(char[] data, int offset, int count), boolean equalsIgnoreCase(String anotherString), void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin), int lastIndexOf(String str, int fromIndex), boolean regionMatches(boolean ignoreCase, int toffset, String other, int ooffset, int len), boolean regionMatches(int toffset, String other, int ooffset, int len), String replace(char oldChar, char newChar), String replaceAll(String regex, String replacement, String replaceFirst(String regex, String replacement), boolean startsWith(String prefix, int toffset), CharSequence subSequence(int beginIndex, int endIndex), String substring(int beginIndex, int endIndex), static String valueOf(primitive data type x). Converts all of the characters in this String to upper case using the rules of the given Locale. returns a string in uppercase using specified locale. The java.lang.String class implements Serializable, Comparable and CharSequence interfaces.

Encodes this String into a sequence of bytes using the platform's default charset, storing the result into a new byte array.

The CharSequence interface is used to represent the sequence of characters. To make Java more memory efficient (because no new objects are created if it exists already in the string constant pool).

Returns a new character sequence that is a subsequence of this sequence. checks the equality of string with the given object. Fill in the missing part to create a greeting variable of type String and assign it the value Hello.

A String variable contains a collection of characters surrounded by double quotes: Create a variable of type String and assign it a value: A String in Java is actually an object, which contain methods that can perform certain operations on strings. The java.lang.String class is used to create a string object. A String in Java is actually an object, which contain methods that can perform certain operations on strings.

Tests if this string starts with the specified prefix beginning a specified index.

Returns the character at the specified index. Copies characters from this string into the destination character array. Returns the string representation of the passed data type argument. Generally, String is a sequence of characters. removes beginning and ending spaces of this string. returns a split string matching regex and limit. Returns a copy of the string, with leading and trailing whitespace omitted. Whenever it encounters a string literal in your code, the compiler creates a String object with its value in this case, "Hello world!'. While using W3Schools, you agree to have read and accepted our. Using String's static format() method allows you to create a formatted string that you can reuse, as opposed to a one-time print statement. Splits this string around matches of the given regular expression. Below is the basic syntax for declaring a string in Java … The reference contains descriptions and examples of all string methods. Duration: 1 week to 2 week. converts given type into string.

Compares this String to another String, ignoring case considerations. It means, we can create strings in java by using these three classes. You have printf() and format() methods to print output with formatted numbers. is itself returned. JavaTpoint offers too many high quality services.

Returns the index within this string of the last occurrence of the specified character, searching backward starting at the specified index.

As with any other object, you can create String objects by using the new keyword and a constructor. Converts all of the characters in this String to lower case using the rules of the given Locale. As with any other object, you can create String objects by using the new keyword and a constructor. The most direct way to create a string is to write −. Strings in Java are Objects that are backed internally by a char array. What code is written by the compiler if you concatenate any string by + (string concatenation operator)? returns a string in lowercase using specified locale. There are two ways to create String object: Java String literal is created by using double quotes.

You can also use the concat() method to concatenate two strings: Because strings must be written within quotes, Java will misunderstand this string,