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Recursion.java
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Recursion.java
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public class Recursion {
public double add(double num) {
if (num <= 0) {
System.out.println("num has reached 0 or less than zero");
}
else {
System.out.println(num);
num -= 2;
System.out.println(num);
add(num);
}
return num;
}
public void sayHi(int n){
if (n == 0) {
System.out.println("N must be > 0 to continue");
}
else {
System.out.println("Hi");
n--; //base case must be before recursive call
sayHi(n); //need a base case to stop recursion
}
}
public void countBackwards(int n) {
if (n == 0) {
System.out.println("method has finished");
}
else {
System.out.println("N is currently " + n);
n--;
System.out.println("N is now " + n);
countBackwards(n);
}
}
}