Q: How do I display a line of text?
A: To display "A line of text", you need the line
System.out.println("A line of text");
If you wish to print out text along with a number, you would use
System.out.println("My favorite number is" + 42);
Q: How do I access the numerical constants Pi and E? How do I find SIN(something in radians)
A: The numerical constant Pi is accessed by
java.lang.Math.PI
The numerical constant E is accessed by
java.lang.Math.E
To take the sin of the variable ``something'', which is in units of radians, use
java.lang.Math.sin(something)
Q: How do I take a power or a root?
A: Taking powers or roots can be done with the same method (function). In general, if you want to calculate a^b, you use
java.lang.Math.pow(double a, double b);