[Solved]Systems Standard Output Stream O Javaioprintstream O Outputstream O System O System Questi Q37279920

What is a systems standard output stream? O java.io.PrintStream O OutputStream O System.in O System.out Question 49 1 pts Given the following code, which correctly initializes pw to enable a programmer to write to myFile.txt using PrintWriter’s print) methods. FileOutputStream fos new FileOutputStream( “myFile.txt”); PrintWriter pw null; O fos = new PrintWriter(pw); O pw new FileOutputStream(fos: O fos new FileOutputStream(pw): O pw new PrintWriter(fos) What is the output of the following code? Scanner scnr – new Scanner(“Hello String messagescnr.next); world”); System.out.println(message); O Syntax error O message O Hello O Hello world Question 51 The output of print0) and printin0 for a reference type (object) includes the object’s class. O True O False is a predefined input stream object reference and is the system’s standard input (usually a keyboard) O System.in O System.out o Scanner OInputStream Question 53 What does the f in printf stand for? O float O format O final o flag Question 54 Which String format sub-specifier is used to left-justify output? 0% If a method deals with file input/output, then you should put this in the method header O throws IOExceception O import java.io.IOException O parameters for the file name O a return type for the file name Question 56 Each item in an array or an ArrayList is called an element True False Question 57 With one Java object, you can create hundreds of classes O True False Question 58 An object can call a constructor method more than once True False Static methods do not require an object (reference variable) in order to call them O True O False Question 60 You can run a java program that doesn’t have a main method in it O True O False Show transcribed image text What is a systems standard output stream? O java.io.PrintStream O OutputStream O System.in O System.out Question 49 1 pts Given the following code, which correctly initializes pw to enable a programmer to write to myFile.txt using PrintWriter’s print) methods. FileOutputStream fos new FileOutputStream( “myFile.txt”); PrintWriter pw null; O fos = new PrintWriter(pw); O pw new FileOutputStream(fos: O fos new FileOutputStream(pw): O pw new PrintWriter(fos)
What is the output of the following code? Scanner scnr – new Scanner(“Hello String messagescnr.next); world”); System.out.println(message); O Syntax error O message O Hello O Hello world Question 51 The output of print0) and printin0 for a reference type (object) includes the object’s class. O True O False
is a predefined input stream object reference and is the system’s standard input (usually a keyboard) O System.in O System.out o Scanner OInputStream Question 53 What does the f in printf stand for? O float O format O final o flag Question 54 Which String format sub-specifier is used to left-justify output? 0%
If a method deals with file input/output, then you should put this in the method header O throws IOExceception O import java.io.IOException O parameters for the file name O a return type for the file name Question 56 Each item in an array or an ArrayList is called an element True False Question 57 With one Java object, you can create hundreds of classes O True False Question 58 An object can call a constructor method more than once True False
Static methods do not require an object (reference variable) in order to call them O True O False Question 60 You can run a java program that doesn’t have a main method in it O True O False

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Answer to What is a systems standard output stream? O java.io.PrintStream O OutputStream O System.in O System.out Question 49 1 pt… . . .