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How you Returning Values From Methods in java ?
It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the return keyword at the end of a method and through declaring the data type that is returned by the method at the starting of the method. For example, the next getLicensePlate() method returns the current value of the licensePlate field in the Car class.
String getLicensePlate() { return this.licensePlate; } A method such as this in which merely returns the value of an object's field or property is called as a getter or accessor method. The signature String getLicensePlate() implies that getLicensePlate() returns a value of type String and takes no arguments. Inside the techniques the line
return this.licensePlate;
returns the String holds in the licensePlate field to whoever called as this method. It is significant in which the type of value returned through the return statement match the type declared in the methods signature. If it does not, the compiler will complain.
Consider the following code? What input is needed for x in order for the sum variable that is output at the end of the code to be 12 ? (In other words: what do I need to make X be
For an assignment I need to write an array program to go along with an instance variable. I keep getting the no main class error when I run my program.
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Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
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