You can have this printed for the methods quiz

• Define a method

  public static return_type method_name (type parm1, type parm2)
  {
  ...
  ...
  return expression;
  }

• Call a method:
  • object_or_class.method_name(parm1, parm2);
  • Call Math methods (and save their results into variables)
    • absolute value ex: myDoubleVar= Math.abs(#);
    • random ex: myDoubleVar = Math.random();
    • minimum: Math.min(#,#)
    • maximum: Math.max(#,#)
    • raise to a power: Math.pow(#,#) : Note: The first number is raised to the second number
      
    • knows PI and E

 

• Setup to read something from the screen:
  • In Java: there are 2 commands needed:
    
  • before the class starts, import the scanner class using: import java.util.Scanner;
  • inside the method, create a scanner object using: Scanner kbd = new Scanner(System.in);
• Read something from the screen:
  • example to get the whole line: myStringVar = kbd.nextLine();
  • example to get the next word: myStringVar = kbd.next();
  • example to get the next double: mydoubleVar = kbd.nextDouble();
  • example to get the next int: myIntVar = kbd.nextInt();