Category Archive for: Staring Handling

Insert( )

Insert( )  The insert ) method inserts one string into another. It is overloaded to accept values of all the simple types, plus Strings and Objects. Like append(), it calls String value of( ) to obtain the string representation of the value it is called with. This string is t~en inserted into the invoking String Buffer object.…

Read More →

Get Chars ()

Get Chars ()  To copy a sub string of h Suffering into an array, use the get Chars( ) method. It has this general form: Here, scarcest rt specifies the index of the beginning of the sub string, and sourced specifies an index that is one past the end of the desired sub string. This means that…

Read More →

Set Length( )

Set Length( ) To set the length of the buffer within a String buffer object, use set Length >. Its general form is shown here: void set Length(int well) Here,  specifies the length of the buffer. This value must be non negative. When’ you increase the size of the buffer, null characters arc added to the end of the existing buffer.…

Read More →

String Buffer Constructor

String Buffer Constructor  String Buffer defines these three constructors: String Buffer( ) String Buffer(int size) String Buffer(String str) The default constructor (the one with no parameters) reserves room for 16 characters without reallocation ..The second version accepts an integer argument that explicitly sets the’size of the buffer. The third version accepts a String argument that sets the initial…

Read More →

Changing The Case Of Characters Within a String

Changing The Case Of Characters Within a String The method to Lower Case( ) converts all the characters in a string from uppercase to lowercase. The to Uppermost( ) method converts all the characters in a string from lowercase-to uppercase. Non alphabetical characters, such as digits; are-unaffected. Here are the general forms of these methods: , String to Lower Case(…

Read More →

Data Conversion Using value Of( )

Data Conversion Using value Of( ) The value ( ) method. converts data from its internal format into a human-readable form. It is a static method that is overloaded within String for all of Java’s built-in types, so that each type can be converted properly into a string. value Of( ) is also overloaded for type Object, so an…

Read More →

Replace( )

Replace( )  The replace( ) method replaces all occurrences of one character in the invoking string with character. It has the following general form: String replace(char original, char replacements Here, original specifies the character to be replaced by the character specified by replacement. The resulting string is returned. For example, String trim  The trim() method returns a copy of…

Read More →

Sub string( )

Sub string( )  You can extract a sub string using sub string( ).It has two forms. The first is String sub string(int start index) Here, start index specifies the index at which the sub string will begin. This form returns a copy of the sub string that-begins at start index and runs to tile end of the…

Read More →

Searching Strings

Searching Strings The String class provides two methods that allow you to search a string for a specified character or sub string  index Of() Searches f!:>the first occurrence of a character or sub string. IZI Elastoplast() Searches for the last occurrence of a character or sub string. These two methods arc overloaded in several different ways. In all…

Read More →

Compare To( )

Compare To( ) Often, it is not enough to simply know whether two strings arc Identical. Sot sorting applications, you need to know which is less than, equal.to, or greater than the next. A string is less than another if it comes before the other in dictionary- order. A string is greater than other if it comes after…

Read More →

Back to Top