【单选题】8.7 若有以下程序代码,则程序运行结果正确的是() public class DemoMain { public static void main(String []s){ String a = new String("hello"); String b = new String("hello"); String c = "hello"; String d = a; System.out.print((a==d)+" "+(a==b)+" "+(a==c)); } }A.true false trueB.true false falseC.true true falseD.false true true

【单选题】8.7 若有以下程序代码,则程序运行结果正确的是() public class DemoMain { public static void main(String []s){ String a = new String("hello"); String b = new String("hello"); String c = "hello"; String d = a; System.out.print((a==d)+" "+(a==b)+" "+(a==c)); } }

A.true false true

B.true false false

C.true true false

D.false true true


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