下列语句( )能够正确实例化Scanner类的对象,用于获得键盘输入的数据。 A: Scanner input=new Scanner(System.out); B: Scanner input=new Scanner(System.in); C: Scanner input=new Scanner(System); D: Scanner input=new Scanner();
下列语句( )能够正确实例化Scanner类的对象,用于获得键盘输入的数据。 A: Scanner input=new Scanner(System.out); B: Scanner input=new Scanner(System.in); C: Scanner input=new Scanner(System); D: Scanner input=new Scanner();
Scanner sc=new Scanner( )
Scanner sc=new Scanner( )
在Java中,Scanner类提供从控制台获取键盘输入的功能,下列语句的( )能够正确实例化Scanner类的对象,用于获取键盘输入的数据。[br][/br](4.0) A: Scanner input = new Scanner(System.out); B: Scanner input = new Scanner(System.in); C: Scanner input = new Scanner(System); D: Scanner input = new Scanner();
在Java中,Scanner类提供从控制台获取键盘输入的功能,下列语句的( )能够正确实例化Scanner类的对象,用于获取键盘输入的数据。[br][/br](4.0) A: Scanner input = new Scanner(System.out); B: Scanner input = new Scanner(System.in); C: Scanner input = new Scanner(System); D: Scanner input = new Scanner();
Java语言的输出语句是()。 A: Scanner in=new Scanner(); B: Scanner in=new Scanner(System.in); C: System.out.println(); D: system.out.println();
Java语言的输出语句是()。 A: Scanner in=new Scanner(); B: Scanner in=new Scanner(System.in); C: System.out.println(); D: system.out.println();
语句“Scanner scan=new Scanner(System.in);”功能是()
语句“Scanner scan=new Scanner(System.in);”功能是()
下列__________说法是正确的?I:File file = new File("input.txt");try (Scanner input = new Scanner(file)) { String line = input.nextLine();}II:try (File file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}III:File file;try (file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}IV:File file;Scanner input;try (file = new File("input.txt"); input = new Scanner(file);) { String line = input.nextLine();} A: I B: II C: III D: IV
下列__________说法是正确的?I:File file = new File("input.txt");try (Scanner input = new Scanner(file)) { String line = input.nextLine();}II:try (File file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}III:File file;try (file = new File("input.txt"); Scanner input = new Scanner(file);) { String line = input.nextLine();}IV:File file;Scanner input;try (file = new File("input.txt"); input = new Scanner(file);) { String line = input.nextLine();} A: I B: II C: III D: IV
使用Scanner类从键盘上输入一个整数: Scanner sc=new Scanner(System.in); System.out.print("请输入一个整数:");` int n=sc. ();//输入一个整数
使用Scanner类从键盘上输入一个整数: Scanner sc=new Scanner(System.in); System.out.print("请输入一个整数:");` int n=sc. ();//输入一个整数
将CX寄存器低4位清零的正确指令是()。 A: AND CX,0F0H B: AND CX,0FFF0H C: AND CX,1110H D: MOV CX,0
将CX寄存器低4位清零的正确指令是()。 A: AND CX,0F0H B: AND CX,0FFF0H C: AND CX,1110H D: MOV CX,0
执行以下指令后一定能使AX的值为0的是 。 A: MOV AX,1234HMOV CX,0000HXCHG AX,CX B: MOV AX,1234HMOV CX,0000HPUSH AXPOP CX C: MOV AX,1234HMOV CX,0000HMOV CX,AX D: MOV AX,0000HMOV CX,1234HMOV AX,CX
执行以下指令后一定能使AX的值为0的是 。 A: MOV AX,1234HMOV CX,0000HXCHG AX,CX B: MOV AX,1234HMOV CX,0000HPUSH AXPOP CX C: MOV AX,1234HMOV CX,0000HMOV CX,AX D: MOV AX,0000HMOV CX,1234HMOV AX,CX
17.将CX寄存器低4位清零,其它位不变,正确指令是( )。 A: AND CX,0F0H B: AND CX,0FFF0H C: AND CX,1110H D: MOV CX,0
17.将CX寄存器低4位清零,其它位不变,正确指令是( )。 A: AND CX,0F0H B: AND CX,0FFF0H C: AND CX,1110H D: MOV CX,0