3: DECLARATIONS in Java

Printing QR Code in Java 3: DECLARATIONS
CHAPTER 3: DECLARATIONS
Generating QR Code JIS X 0510 In Java
Using Barcode creation for Java Control to generate, create QR Code ISO/IEC18004 image in Java applications.
Running the program:
Bar Code Generator In Java
Using Barcode encoder for Java Control to generate, create bar code image in Java applications.
>java Colors red green blue No of program arguments: 3 Argument no 0 (red) has 3 characters Argument no 1 (green) has 5 characters Argument no 2 (blue) has 4 characters
Decode Bar Code In Java
Using Barcode decoder for Java Control to read, scan read, scan image in Java applications.
Review Questions
Quick Response Code Maker In C#
Using Barcode creation for .NET framework Control to generate, create QR-Code image in Visual Studio .NET applications.
324 What will be printed when the following program is run
QR Code Drawer In VS .NET
Using Barcode generation for ASP.NET Control to generate, create QR Code ISO/IEC18004 image in ASP.NET applications.
public class ParameterPass { public static void main(String[] args) { int i = 0; addTwo(i++); Systemoutprintln(i); } static void addTwo(int i) { i += 2; } }
Making QR Code In .NET
Using Barcode generator for .NET framework Control to generate, create QR image in VS .NET applications.
Select the one correct answer (a) (b) (c) (d) 325 0 1 2 3
QR Maker In VB.NET
Using Barcode generator for .NET framework Control to generate, create QR Code ISO/IEC18004 image in .NET framework applications.
What will be the result of compiling and running the following program
Painting UPC A In Java
Using Barcode encoder for Java Control to generate, create UCC - 12 image in Java applications.
public class Passing public static void int a = 0; int b int[] bArr = new { main(String[] args) { = 0; int[1]; bArr[0] = b;
Bar Code Creation In Java
Using Barcode generation for Java Control to generate, create barcode image in Java applications.
inc1(a); inc2(bArr); Systemoutprintln("a=" + a + " b=" + b + " bArr[0]=" + bArr[0]); } public static void inc1(int x) { x++; } public static void inc2(int[] x) { x[0]++; } }
ANSI/AIM Code 39 Drawer In Java
Using Barcode drawer for Java Control to generate, create Code 39 Extended image in Java applications.
Select the one correct answer (a) (b) (c) (d) (e) The code will fail to compile, since x[0]++; is not a legal statement The code will compile and will print "a=1 b=1 bArr[0]=1", when run The code will compile and will print "a=0 b=1 bArr[0]=1", when run The code will compile and will print "a=0 b=0 bArr[0]=1", when run The code will compile and will print "a=0 b=0 bArr[0]=0", when run
Draw EAN 128 In Java
Using Barcode printer for Java Control to generate, create USS-128 image in Java applications.
39: THE main() METHOD
Draw Data Matrix In Java
Using Barcode drawer for Java Control to generate, create Data Matrix image in Java applications.
Which statements, when inserted at (1), will cause a compilation error
Drawing MSI Plessey In Java
Using Barcode generation for Java Control to generate, create MSI Plessey image in Java applications.
public class ParameterUse { static void main(String[] args) { int a = 0; final int b = 1; int[] c = { 2 }; final int[] d = { 3 }; useArgs(a, b, c, d); } static void useArgs(final int a, int b, final int[] c, int[] d) { // (1) INSERT STATEMENT HERE } }
Barcode Encoder In Visual Basic .NET
Using Barcode creator for .NET framework Control to generate, create barcode image in Visual Studio .NET applications.
Select the two correct answers (a) a++; (b) b++; (c) b = a; (d) c[0]++; (e) d[0]++; (f) c = d; 327 Which method declarations are valid declarations Select the three correct answers (a) void compute(int is) { } (b) void compute(int is) { } (c) void compute(int is, int i, String ss) { } (d) void compute(String ds) { } (e) void compute(String ss, int len) { } (f) void compute(char[] ca, int is) { } 328 Given the following code:
European Article Number 13 Decoder In .NET
Using Barcode decoder for .NET framework Control to read, scan read, scan image in VS .NET applications.
public class RQ800_40 { static void print(Object obj) { Systemoutprintln("Object: " + obj[0]); } public static void main(String[] args) { // (1) INSERT METHOD CALL HERE } }
Data Matrix ECC200 Generator In .NET
Using Barcode maker for VS .NET Control to generate, create DataMatrix image in .NET framework applications.
Which method call, when inserted at (1), will not result in the following output from the program:
Code 128B Generator In Visual Studio .NET
Using Barcode drawer for .NET Control to generate, create Code 128B image in .NET framework applications.
Object: 9
EAN / UCC - 14 Generator In .NET Framework
Using Barcode maker for .NET Control to generate, create GS1-128 image in .NET applications.
Select the one correct answer (a) print("9", "1", "1"); (b) print(9, 1, 1);
Decoding ANSI/AIM Code 128 In .NET
Using Barcode decoder for Visual Studio .NET Control to read, scan read, scan image in .NET framework applications.
CHAPTER 3: DECLARATIONS
Barcode Creation In VS .NET
Using Barcode generation for ASP.NET Control to generate, create bar code image in ASP.NET applications.
(c) (d) (e) (f) 329
print(new print(new print(new print(new
int[] {9, 1, 1}); Integer[] {9, 1, 1}); String[] {"9", "1", "1"}); Object[] {"9", "1", "1"});
What will be the result of compiling and running the following program
public class RQ800_20 { static void compute(int is) { Systemoutprint("|"); for(int i : is) { Systemoutprint(i + "|"); } Systemoutprintln(); } static void compute(int[] ia, int is) { compute(ia); compute(is); } static void compute(int[] inta, int[] is) { for(int[] ia : is) { compute(ia); } } public static void main(String[] args) { compute(new int[] {10, 11}, new int[] {12, 13, 14}); compute(15, 16); compute(new int[] {17, 18}, new int[][] {{19}, {20}}); compute(null, new int[][] {{21}, {22}}); } } // (1)
// (2)
// (3)
// // // //
(4) (5) (6) (7)
Select the one correct answer (a) The program does not compile because of errors in one or more calls to the compute() method (b) The program compiles, but throws a NullPointerException when run (c) The program compiles and prints:
|10|11| |12|13|14| |15|16| |19| |20| |21| |22|
(d) The program compiles and prints:
|12|13|14| |15|16| |10|11| |19| |20| |21| |22|
39: THE main() METHOD
Which of these method declarations are valid declarations of the main() method that would be called by the JVM in order to start the execution of a Java application Select the three correct answers (a) static void main(String[] args) { /* */ } (b) public static int main(String[] args) { /* */ } (c) public static void main(String args) { /* */ } (d) final public static void main(String[] arguments) { /* */ } (e) public int main(Strings[] args, int argc) { /* */ } (f) static public void main(String args[]) { /* */ } (g) static public void main(String args) { /* */ }
Which of the following are reserved keywords Select the three correct answers (a) public (b) static (c) void (d) main (e) String (f) args