1Z0-819 Question #2: Real Exam Question with Answer & Explanation

Given: public class DNASynth { int aCount; int tCount; int cCount; int gCount; void setACount(int cCount) { cCount = cCount; } void setTCount() { this.tCount = tCount; } int setCCount() { return cCount; } int setGCount(int g) { gCount = g; return gCount; } void setAllCounts(int x) { aCount = tCount = this.cCount = setGCount(x); } } Which two methods modify field values? (Choose two.)