collection/src/main/java/androidx/collection/CircularIntArray.java
public void addFirst(int e) {
        mHead = (mHead - 1) & mCapacityBitmask;
        mElements[mHead] = e;
        if (mHead == mTail) {
            doubleCapacity();
        }
    }
/**
     * Add an integer in front of the CircularIntArray.
     * @param e  Integer to add.
     */
Add an integer in front of the CircularIntArray.
@param e  Integer to add.
Add an integer in front of the CircularIntArray . @param e Integer to add .
public void addFirst(int e) {
        mHead = (mHead - 1) & mCapacityBitmask;
        mElements[mHead] = e;
        if (mHead == mTail) {
            doubleCapacity();
        }
    }
public void addFirst ( int e ) { mHead = ( mHead - 1 ) & mCapacityBitmask ; mElements [ mHead ] = e ; if ( mHead == mTail ) { doubleCapacity ( ) ; } }
Add an integer in front of the CircularIntArray.
Add an integer in front of the CircularIntArray .