Merge.sort(a)进栈
sort(a, 0, 2)进栈
sort(a, 0, 1)进栈
sort(a, 0, 0)进栈、sort(a, 0, 0)出栈
sort(a, 1, 1)进栈,sort(a, 1, 1)出栈
merge(a, 0, 0, 1)进栈;->assist = [2,3,null] -> a = [2,3,1],merge(a, 0, 0, 1)出栈
sort(a,0,1)出栈;
sort(a,2,2)进栈;sort(a,2,2)出栈;
merge(a,0,1,2)进栈; -> assist = [1,2,3] -> a = [1,2,3];merge(a,0,1,2) 出栈;
sort(a, 0, 2)出栈;
Merge.sort(a)出栈;
结束!
等一下还有!println进栈,toString进栈,toString出栈,println出栈…
评论区