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边滩(point bar)
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1. class Bar { } 1. class Test { 2. Bar doBar() { 3. Bar b = new Bar(); 4. return b; 5. } 6. public static void main (String args[]) { 7. Test t = new Test(); 8. Bar newBar = t.doBar(); 9. System.out.println(“newBar”); 10. newBar = new Bar(); 11. System.out.println(“finishing”); 12. } 13. } At what point is the Bar object, created on line 3, eligible for garbage collection?() A、 After line 8.B、 After line 10.C、 After line 4, when doBar() completes.D、 After line 11, when main() completes.
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单选题A condition where two currents meet at the downstream end of a middle bar can be determined by a().A
small whirlpoolB
smooth patch of waterC
V-shaped ripple with the point of the V pointing downstreamD
V-shaped ripple with the point of the V pointing upstream
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单选题1. class Bar { } 1. class Test { 2. Bar doBar() { 3. Bar b = new Bar(); 4. return b; 5. } 6. public static void main (String args[]) { 7. Test t = new Test(); 8. Bar newBar = t.doBar(); 9. System.out.println(“newBar”); 10. newBar = new Bar(); 11. System.out.println(“finishing”); 12. } 13. } At what point is the Bar object, created on line 3, eligible for garbage collection?()A
After line 8.B
After line 10.C
After line 4, when doBar() completes.D
After line 11, when main() completes.
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填空题边滩是()的典型沉积,心滩是()的典型沉积
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