Java other special Operators
Java other special OperatorsThe dot (.) operator is used to select members of a class or object instance:
... int i = myObject.length; //Retrieve the value of an instance variable //(of an object) or a static variable (of a class). myObject.someMethod( ); //A method to be invoked on an object or class ...
... Object o = new Object( ); // o has reference to new object // of Object type (class) int hours = new Date().getHours(); // create a new object and invoke a // method in it without assigning the object ...
... Boolean b; String str = "foo"; b = ( str instanceof String ); // true, str is a String b = ( str instanceof Object ); // also true, as String is an Object b = ( str instanceof Date ); // false, str is not a Date or subclass // of Date ...
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