Java遍历数组格式输出

public static void traverseArray(int [] a){
System.out.print("[");
for (int i = 0; i < a.length; i++) {
if(i==a.length-1) {
System.out.print(a[i]);
}else{
System.out.print(a[i]+",");
}
}
System.out.print("]");
}