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Java String replace()

The java string replace() method returns a string replacing all the old char or CharSequence to new char or CharSequence.

Since JDK 1.5, a new replace() method is introduced, allowing you to replace a sequence of char values.

Internal implementation


There are two type of replace methods in java string.

The second replace method is added since JDK 1.5.


oldChar : old character

newChar : new character

target : target sequence of characters

replacement : replacement sequence of characters


replaced string

Java String replace(char old, char new) method example

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Java String replace(CharSequence target, CharSequence replacement) method example

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Java String replace() Method Example 3


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