```
public int numberOfArithmeticSlices(int[] A) {
int result=0;
int len=1;
int diff=Integer.MIN_VALUE;
for(int i=0;i<A.length-1;i++){
if(A[i]-A[i+1]==diff){
len+=1;
}
else{
if(len>=2){
result+=getCombo(len+1);
}
len=1;
diff=A[i]-A[i+1];
}
}
if(len>=2)
result+=getCombo(len+1);
return result;
}
public int getCombo(int len){
int count=0;
int result=1;
while(len-->=3){
count=count+(result);
result+=1;
}
return count;
}
```

The getCombo function just returns the number of consecutive combinations we could make with the current length. Example, with length 4, we could make 2 combinations with len 3 + 1 combination with len 4.