AP® Computer Science A glossary
Enhanced for loop
Also called: for-each loop
Course: AP® Computer Science A Shows up in: Unit 4: Data Collections
A loop that assigns a copy of each element of an array or ArrayList, in order, to its loop variable, without using an index.
Appears in the course and exam description (CED): 4.4.A.34.4.A.44.4.A.54.4.A.64.9.A.4
Assigning to the loop variable does not change the array. With object references, calling a method on the loop variable can change the object. Adding or removing ArrayList elements inside it can throw a ConcurrentModificationException.
int[] marks = {7, 9};
for (int m : marks)
{
m = 0;
}
System.out.println(marks[0] + marks[1]);Output:
16