check if method is a getter:
public static boolean isGetter(Method method) {
if (!method.getName().startsWith("get"))
return false;
if (method.getParameterTypes().length != 0)
return false;
if (void.class.equals(method.getReturnType()))
return false;
return true;
}
How to traverse through binary tree’s:
private void preOrder(Node node) {
if(node != null) {
node.print();
preOrder(node.left);
preOrder(node.right);
}
}
private void inOrder(Node node) {
if(node != null) {
inOrder(node.left);
node.print();
inOrder(node.right);
}
}
private void postOrder(Node node) {
if(node != null) {
postOrder(node.left);
postOrder(node.right);
node.print();
}
}
public void sort(int[] zahlen) {
boolean sorted = false;
for(int i = zahlen.length-1; i > 0 && sorted == false; i--){
boolean change = false;
for(int y = 0; y < i; y++){
if(zahlen[y] > zahlen[y+1]){
int tmp = zahlen[y];
zahlen[y] = zahlen[y+1];
zahlen[y+1] = tmp;
change = true;
}
}
if(!change){
sorted = true;
}
}
}
