Given the code fragment:
What is the result?
A. Match 1
B. Match 2
C. No Match
D. A NullPointerException is thrown at runtime.
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Given the code fragment:
What is the result?
A. Match 1
B. Match 2
C. No Match
D. A NullPointerException is thrown at runtime.
|
Download Printable PDF. VALID exam to help you PASS. |
|
public static void main(String[] args) {
StringBuilder sb = new StringBuilder(5); // Int no construtor do StringBuilder defini a largura da string. A mesma é iniciada vazia ou “”.
String s = “”;
if(sb.equals(s)) {
System.out.println(“Match 1”);
} else if (sb.toString().equals(s.toString())) {
System.out.println(“Match 2”);
} else {
System.out.println(“No Match”);
}
}
B
public static void main(String[] args) {
StringBuilder sb = new StringBuilder(5);//hier is capacity is 5
String s=””;
if(sb.equals(s)){
System.out.println(“Match 1”);
}else if(sb.toString().equals(s.toString())){
System.out.println(“Match 2”);
}else{
System.out.println(“No Match”);
}
}
javac StringTest1.java
java StringTest1
No match
Answer C