CH3-2下面哪条语句，能够使用户输入12 * 3时，能使 a=12,b=3,c=’‘。int a,b;char c;（）

A、CREATE PUBLIC SYNONYM cust ON mary.customer; B、CREATE PUBLIC SYNONYM cust FOR mary.customer; C、CREATE SYNONYM cust ON mary.customer FOR PUBLIC; D、不能创建CUSTOMER的公用同义词。

A . INC AX B . DEC AX C . SUB AX，1 D . ADD AX，0FFFFH

A . A、Select*formusersWherereal_name="张"Andsubmit_data<#2003-1-1# B . B、Select*formusersWherereal_name="张"Orsubmit_data<#2003-1-1# C . C、Select*formusersWherereal_namelike"张%"Andsubmit_data<#2003-1-1# D . D、Select*formusersWherereal_namelike"张%"ORsubmit_data<#2003-1-1#

A . su - oracle B . cd oracle C . ll grep oracle D . cat oracle

A．scanf(“%2d%3d%4d”,a,b,c); B．scanf(“%d,%d,%d”,&amp;a,&amp;b,&amp;c); C．scanf(“%dV%dV%d”,&amp;a,&amp;b,&amp;c); D．scanf(“a=%d,b=%d,c=%d”,&amp;a,&amp;b,&amp;c);

A．11 12＜回车＞ B．11， 12＜回车＞ C．11，12＜回车＞ D．11，＜回车＞ 12＜回车＞

A．11 12<回车> B．11,<空格>12<回车> C．11,12<回车> D．11,<回车>12<回车>

A．y＝Val(x) +Val((Listl.List(0) ) B．y＝Val(x) +Val(Listl.List(1) ) C．y＝Val(x) &amp;Val(Listl.List(0) ) D．y＝Val(x) &amp;Val(Listl.List(1)

A、select * from 学生表 where 姓名=’_敏%’ B、select * from 学生表 where 姓名 like ’_敏%’ C、select * from 学生表 where 姓名 like ’%敏%’ D、select * from 学生表 where 姓名 like ’%敏’

A．scanf("%3d,%3d,%3d",&amp;i,&amp;j,&amp;k); B．scanf("%d,%d,%d",&amp;i,&amp;j,&amp;k); C．scanf("%d%d%d",&amp;i,&amp;j,&amp;k); D．scanf("i=%d,j=%d,k=%d",&amp;i,&amp;j,&amp;k);

注意：不改动程序的结构，不得增行或删行。 程序运行结果如下： import java.awt.*; import java.awt.Event.*; import java.applet.*; /* ＜applet code="ex14_3.class" width=800 height=400 ＞ ＜/applet＞ */ public class ex14_3 extends Applet{ private TextField tf1,tf2; private String strAnswer; public void init(){ tf1=new TextField(20); add(tf1); tf2=new TextField(20); add(tf2); strAnswer="Undefined"; } public void paint(Graphics g){ Font f=new Font("TimesRoman",Font.PLAIN, 20); g.setFont(f); g.drawString("result:",80,100); g.drawString(strAnswer,60,150); } public boolean action(Event e, Object o){ String s1=tf1.getText(); String s2=tf2.getText(); try{ int n1= String.valueOf(s1); int n2= String.valueOf(s2); int ut=n1/n2; strAnswer=Integer.parseInt(out); } catch(NumberFormatException nfe){ strAnswer="error number!"; } repaint(); return true; } } ex14_3.htm1 ＜HTML＞ ＜HEAD＞ ＜TITLE＞ex14_3＜/TITLE＞ ＜/HEAD＞ ＜BODY＞ ＜applet code="ex14_3.class" width=800 height=400 ＞ ＜/applet＞ ＜/BODY＞ ＜/HTML＞

注意：不改动程序的结构，不得增行或删行。 程序运行结果如下： <img src='https://img2.soutiyun.com/shangxueba/ask/11157001-11160000/11157624/ct_ctjjm_compapp_00177(20092).jpg' /> import javax.swing.*; import java.awt.*; import java.awt.event.*; /* ＜applet code="exll_3.class" width=800 height=400 ＞ ＜/applet＞ */ public class exll_3 extends JApplet private JButton jb = new JButton("OK"); private JTextPane jtp = new JTextPane(); private JTextField itl=new JTextField(8); private int n=15; public void init() { jb.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e){ n=jtf.getText(); jtp.setText("" ); for(int i = n-1; i＞=0;i--){ String s = ""; for(int j = 0; j ＜ i; j++) s += " "; for(int j = 0; j ＜ n; j++) s + = "*"; jtp.setText(s+"\n"); } } }); Container cp = getContentPane(); cp.add(BorderLayout.NORTH,jtf); cp.add(BorderLayout.CENTER,new JScrollPane(jtp)); cp.add(BorderLayout.SOUTH, jb); } public static void main(String[] args) { ex11_3 obj11_3=new ex11_3(); String str = obj11_3.getClass() .toString(); if(str.indexOf("class") != -1) str= str.substring(6); JFrame. frm = new JFrame(str); frm.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we) { System.exit (0); } }); frm.getContentPane().add(obj11_3); frm.setsize(300, 500); frm.setVisible(true); } } ex11_3.html ＜HTML＞ ＜HEAD＞ ＜TITLE＞ex11_3＜/TITLE＞ ＜/HEAD＞ ＜BODY＞ ＜applet code="ex11_3.class" width=800 height=400 ＞ ＜/applet＞ ＜/BODY＞ ＜/HTML＞

注意：不改动程序的结构，不得增行或删行。 程序运行结果如下： <img src='https://img2.soutiyun.com/shangxueba/ask/11049001-11052000/11051026/ct_ctjjm_compapp_00189(20092).jpg' /> import javax.swing.*; import java.awt.*; import java.awt.event.*; /* ＜applet code="ex7_3.class" width=800 height=400 ＞ ＜/applet＞ */ public class ex7_3 extends JApplet { private JTextField jtf = new JTextField(15); private JButton Hold = new JButton("Hold"),resume = new JButton("Resume"); private ex7_3th obj7_3th = new ex7_3th(); class ex7_3th extends Thread { private int cnt = 0; private boolean bIsHold = false; public ex7_3th() { start(); } public void hold() { bIsHold = true; } public synchronized void fauxResume() { bIsHold = false; wait(); } public void run() { while (true) { try { sleep(150); synchronized(this) { while (bIsHold) not i fy (); } } catch(InterruptedException ie) { System.err.println("Interrupted"); } jtf.setText(cnt); } } public void init() { Container cp = getContentPane(); cp.setLayout(new FlowLayout()); cp.add(jtf); Hold.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent ae) { obj7_3th.hold(); } }); cp.add(Hold); resume.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e){ obj7_3th.fauxResume(); } }); cp.add(resume); public static void main(String[] args) { ex7_3 obj7_3=new ex7_3(); String str= obi7_3.getClass().toString(); if(str.indexOf("class") != -1) str= str.substring(6); JFrame. frm = new JFrame(str); frm.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we) { System.exit(O); } }); frm.getContentPane().add(obj7_3); frm.setSize(300, 200); obj7_3.init();

A．cin＞＞a; B．cin＜＜a;＜br＞ C．cin.getline(a,20); D．cout＜＜a;＜br＞

A．0 B．1 C．2 D．2

A．int a,b; B．scanf（“%d%d”,a,b） C．B．float a,b; D．scanf（“%d%d”,&amp;a,&amp;b） E．C．int a,b; F．scanf（“%d%”,&amp;a,&amp;b） G．D．float a,b; H．scanf（“%3.1d%5.2d”,&amp;a,&amp;b） 此题为多项选择题。