现有: 3. public class Tester { 4.public static v...
单项选择题现有: 3. public class Tester { 4.public static void main (String[] args) { 5. intx-5; 6. Integer xl=x; Integer x2=x; 7.int x3=new Integer(5); 8. system..ut.print(x1.equals(x)); 9. system..ut.print(xl==x); lu.
A、编译失败
B、falsefalsetruetruetruetrue
C、truetruetruetruetruetrue
D、falsefalsetruetruetruefalse
E、truefalsetruefalsefalsetrue
F、运行时异常被抛出