Canonical† Solutions

Empty Class

// write the outline for an empty class (no main())
public class Testing
{


}

Println

// write a println() statement
System.out.println( "Here are " + count + " words." );

Println with Escapes

// write a println() statement containing escape sequences
System.out.println( "\t_X_\n\tXXX\n\t_X_\n\t_X_\n" );

Simple Formula/Conversion

// do a simple conversion using variables and numbers
double miles = feet / 5280;

double kelvin = celsius + 273.15;

Harder Formula/Conversion

// translate a math formula to Java
x = (-b + Math.sqrt(b*b - 4*a*c)) / (2*a);

Random Number

// store a random number into a variable
x = 1 + (int)(Math.random()*10);

Random If Statement

// write an if statement that is true 1/4 of the time using Math.random
if ( Math.random() < 0.25 )
{
}

Function Call

// write a valid function call with literal values or variables
drawFace(100, 100, wid, hite);