[Java] Java中与?表达式结合时出现的坑

/**
 * 插入排序
 * @param arr 输入数组
 * @param order 顺序 1为升序 0为降序
 */
static void insertionsort(int arr[],int order){
 
 for (int i = 1; i < arr.length; i++)
 {
  int get = arr[i];
  int j = i - 1;
  while (j >= 0 && (order == 1) ? (arr[j] > get):(arr[j] < get))
  {
   arr[j + 1] = arr[j];
   j--;
  }
  arr[j + 1] = get;
 }
}

public static void main(string[] args){
 
 int[] arr = {8,96,23,5,6,43};
 for(int a :arr){
  system.out.print(a + ",");
 }
 system.out.println();
 insertionsort(arr,1);
 
 for(int a :arr){
  system.out.print(a + ",");
 }
 system.out.println();
 
 insertionsort(arr,0);
 
 for(int a :arr){
  system.out.print(a + ",");
 }
 
}

8,96,23,5,6,43,
exception in thread "main" java.lang.arrayindexoutofboundsexception: -1

while (j >= 0 && (order == 1) ? (arr[j] > get):(arr[j] < get))

/**
 * 对比两个输入参数的大小
 * @param a 输入参数1
 * @param b 输入参数2
 * @return boolean 如果a > b 返回true,反之返回false
 */
static boolean compare(int a,int b){
  system.out.println(a + ">" + b + "?");
  system.out.println(a > b);
  return a > b;
 
}
public static void main(string[] args){
 int a = 1;
 int b = 2;
 int c = 3;
 boolean result = compare(a ,a) && (a == 1) ? (compare(b,b)):(compare(c,c));
 
 system.out.println();
 
 result = compare(b ,b) && compare(c ,c);
 
}

1>1?
false
3>3?
false
 
2>2?
false