139 What, inserted at line 12, is the appropriate way to handle a null value? (A) assert value == null; (B) assert value != null : "value is null"; (C) (D)

138 Which two code fragments are most likely to cause a StackOverflowError? (Choose two.) 1. int[] x = {1, 2, 3, 4, 5}; for(int y=0; y＜6; y++) System.out.println(x[y]); 2. static int[] x = {7, 6, 54}; static{x[1] = 8; x[4] = 3;} 3. for(int y=10; y＜10; y++) doStuff(y); 4. void doOne(int x){doTwo(x);} void doTwo(int y){doThree(y);} void doThree(int z){doTwo(z);} 5. for(int x=0; x＜1000000000; x++) doStuff(x); 6. void counter(int i){counter(++i);} (A) 12 (B) 46 (C) 23 (D) 156

139 What, inserted at line 12, is the appropriate way to handle a null value? (A) assert value == null; (B) assert value != null : "value is null"; (C) (D)

其他試題

139

What, inserted at line 12, is the appropriate way to handle a null value?

(A) assert value == null;

(B) assert value != null : "value is null";

(C)

(D)