Answers for "string method java"

java string methods

static String valueOf(int i) - returns the string representation of the int 
argument.

String... java

//Object... (here String...) means that you can give
//in parameter one or many objects of same type

func();

func("arg1", "arg2", "arg3");

String[] args = new String[]{"arg1", "arg2", "arg3"}
func(args);

void func(String... args);

string method example in java

public boolean contains(“searchString”)

String x = “Java is programming language”;
System.out.println(x.contains(“Amit”)); // This will print false
System.out.println(x.contains(“Java”)); // This will print true

string method example in java

public String substring(int begin)/ public String substring(int begin, int end)
------------------------------------------------------------------------------
String x = "0123456789"; // the value of each char is the same as its index!
System.out.println( x.substring(5) ); // output is "56789"
System.out.println( x.substring(5, 8)); // output is "567"

string method example in java

public char charAt(int index)
-----------------------------
String x = "airplane";
System.out.println( x.charAt(2) ); // output is 'r'

string method example in java

public int length()
-----------------------
String x = "01234567";
System.out.println( x.length() ); // returns "8"