Methods

# Methods - An Example of a Method private double...

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1 An Example of a Method private double feetToInches(double feet) { return 12 * feet; } Multiple return statements private int max(int val1, int val2) { if (val1 > val2) { return (val1); } else { return (val2); } } Predicate Methods private boolean isOdd(int x) { return ((x % 2) == 1); } Methods that Don’t Return Anything private void printIntro() { println("Welcome to CS106A"); } Returning objects private GOval filledCircle(double x, double y, double r, Color color) { GOval circle = new GOval(x-r, y-r, 2*r, 2*r); circle.setFilled(true); circle.setColor(color); return circle; } A Full Program public class FactorialExample extends ConsoleProgram { private static final int MAX_NUM = 4; public void run() { for(int i = 0; i < MAX_NUM; i++) { println(i + "! = " + factorial(i)); } } private int factorial(int n) { int result = 1; for (int i = 1; i <= n; i++) { result *= i; } return result; } }

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2 A Full Program public class FactorialExample extends ConsoleProgram { private static final int MAX_NUM = 4; public void run() { for(int i = 0; i < MAX_NUM; i ++) { println( i + "! = " + factorial( i )); } } private int factorial(int n) { int result = 1; for (int i = 1; i <= n; i ++) { result *= i ; } return result; } } public void run() { for(int i = 0; i < MAX_NUM; i++) { println(i + "! = " + factorial(i)); } } i public void run() { for(int i = 0; i < MAX_NUM; i++) { println(i + "! = " + factorial(i)); } } 0 i public void run() { for(int i = 0; i < MAX_NUM; i++) { println(i + "! = " + factorial(i)); } } 0 i public void run() {
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