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Channel Posts
| 2 | ❓ تمرير المصفوفات للميثود: ماذا يُطبع؟
Passing arrays to methods: what prints?void change(int[] arr) {
arr[0] = 99;
arr = new int[]{7,7,7};
}
int[] x = {1,2,3};
change(x);
System.out.println(x[0]); | 77 |
| 3 | Choose your answer: | 152 |
| 4 | ❓ Switch على String بدون break بعد "two"؟
Switch on String (no break after "two")?String s = "two";
switch (s) {
case "one": System.out.print(1); break;
case "two": System.out.print(2);
default: System.out.print(0);
} | 136 |
| 5 | Choose your answer: | 185 |
| 6 | ❓ هل a == b صحيح؟
Is a == b true?String a = new String("hi");
String b = "hi";
System.out.println(a == b); | 159 |
| 7 | Choose your answer: | 188 |
| 8 | ❓ ما قيمة count بعد استخدام continue؟
What is count after using continue?int count = 0;
for (int i = 0; i < 5; i++) {
if (i % 2 == 0) continue;
count += i;
}
System.out.println(count); | 163 |
| 9 | Choose your answer: | 228 |
| 10 | ❓ هل يعدّل for-each عناصر المصفوفة؟
Does for-each modify elements?int[] a = {1, 2, 3};
for (int x : a) { x *= 2; }
System.out.println(a[1]); | 199 |
| 11 | Choose your answer: | 231 |
| 12 | ❓ كيف تطبع طول المصفوفة؟
How do you print the array length?int[] a = {1, 2, 3, 4};
System.out.println( /* ? */ ); | 207 |
| 13 | Choose your answer: | 241 |
| 14 | ❓ أي overload يُستدعى؟
Which overload is invoked?void print(int x) { System.out.println("int"); }
void print(Integer x) { System.out.println("Integer"); }
Integer n = null;
print(n); | 229 |
| 15 | Choose your answer: | 241 |
| 16 | ❓ ما ناتج السويتش بدون break؟
What is the output (no breaks before case 3)?int n = 2;
switch (n) {
case 1: System.out.print('A');
case 2: System.out.print('B');
case 3: System.out.print('C'); break;
default: System.out.print('D');
} | 231 |
| 17 | Choose your answer: | 243 |
| 18 | ❓ ما مجموع الأعداد من 1 إلى 3؟
What does this loop print?int sum = 0;
for (int i = 1; i <= 3; i++) {
sum += i;
}
System.out.println(sum); | 235 |
| 19 | Choose your answer: | 263 |
| 20 | ❓ ما ناتج الكود التالي؟
What is the output of the following code?int x = 5;
if (x > 3) x++;
if (x == 6) x += 2;
System.out.println(x); | 241 |
