笔试遇到的题

public class Test3 {public static void main(String[] args) {Float aFloat = new Float(0.9F);Float bFloat = new Float(0.9F);Double uDouble = new Double(0.9);System.out.println(aFloat.equals(bFloat));System.out.println(aFloat == bFloat);System.out.println(aFloat.equals(uDouble));//精度不一样System.out.println(bFloat.equals(uDouble));//精度不一样System.out.println(aFloat==uDouble.floatValue());System.out.println(aFloat.doubleValue()==uDouble);}}

truefalsefalsefalsetruefalse