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Java版計算器源代碼（帶括號） 實現(xiàn)圖形用戶界面

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代碼片段和文件信息 

import?java.awt.BorderLayout;
import?java.awt.Color;
import?java.awt.EventQueue;
import?java.awt.Font;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?javax.swing.JButton;
import?java.util.ArrayList;
import?javax.swing.Jframe;
import?javax.swing.JTextField;

public?class?Calculate?extends?Jframe?{

	private?JTextField?textField;
	/**
	?*?Launch?the?application
	?*?@param?args
	?*/
	public?static?void?main（String?args[]）?{
		EventQueue.invokeLater（new?Runnable（）?{
			public?void?run（）?{
				try?{
					Calculate?frame?=?new?Calculate（）;
					frame.setVisible（true）;
				}?catch?（Exception?e）?{
					e.printStackTrace（）;
				}
			}
		}）;
	}

	/**
	?*?Create?the?frame
	?*/
	public?Calculate（）?{//主界面
		super（）;
		getContentPane（）.setLayout（null）;
		setFont（new?Font（“@Adobe?楷體?Std?R“?Font.BOLD?16））;
		setBackground（Color.CYAN）;
		settitle（“計算器“）;
		setName（“計算器“）;
		setBounds（100?100?437?318）;
		setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;

		textField?=?new?JTextField（）;
		textField.setBounds（10?10?403?42）;
		textField.setText（“?“）;
		getContentPane（）.add（textField）;

		final?JButton?button?=?new?JButton（）;
		button.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{
				fuwei（）;//是否重新輸入
				textField.setText（textField.getText（）+“0“）;	//顯示當(dāng)前輸入的表達式
			}
		}）;
		button.setText（“0“）;
		button.setBounds（10?227?76?47）;
		getContentPane（）.add（button）;

		final?JButton?button_1?=?new?JButton（）;
		button_1.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{
				fuwei（）;
				textField.setText（textField.getText（）+“1“）;
			}
		}）;
		button_1.setText（“1“）;
		button_1.setBounds（10?79?76?42）;
		getContentPane（）.add（button_1）;

		final?JButton?button_2?=?new?JButton（）;
		button_2.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{fuwei（）;
				textField.setText（textField.getText（）+“2“）;
			}
		}）;
		button_2.setText（“2“）;
		button_2.setBounds（92?79?76?42）;
		getContentPane（）.add（button_2）;

		final?JButton?button_3?=?new?JButton（）;
		button_3.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{fuwei（）;
				textField.setText（textField.getText（）+“3“）;
			}
		}）;
		button_3.setText（“3“）;
		button_3.setBounds（174?79?76?42）;
		getContentPane（）.add（button_3）;

		final?JButton?button_4?=?new?JButton（）;
		button_4.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{fuwei（）;
				textField.setText（textField.getText（）+“4“）;
			}
		}）;
		button_4.setText（“4“）;
		button_4.setBounds（10?127?76?44）;
		getContentPane（）.add（button_4）;

		final?JButton?button_5?=?new?JButton（）;
		button_5.addActionListener（new?ActionListener（）?{
			public?void?actionPerformed（final?ActionEvent?arg0）?{fuwei（）;
				textFiel

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????????0??2010-03-09?13:37??計算器\.metadata\.lock

?????文件??????16947??2010-03-09?19:47??計算器\.metadata\.log

?????文件?????????80??2010-03-09?21:52??計算器\.metadata\.plugins\com.swtdesigner\dialog_settings.xml

?????文件??????????5??2010-03-21?20:33??計算器\.metadata\.plugins\com.swtdesigner\PropertyTracking.data

?????文件???????5126??2010-03-09?18:09??計算器\.metadata\.plugins\com.swtdesigner\swing

?????文件??????12395??2010-03-16?21:25??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\14\70be57b3ff30001f1ed99d5d11842f4f

?????文件??????13005??2010-03-21?20:00??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\15\10e79c74e134001f1752baf5b250a57f

?????文件??????12895??2010-03-21?20:01??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\15\406256bbe534001f1752baf5b250a57f

?????文件??????12379??2010-03-16?21:18??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\17\f05b2b68ff30001f1ed99d5d11842f4f

?????文件??????12374??2010-03-16?19:23??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\1e\00772b7bee30001f1d3fa1eea5be6357

?????文件??????12795??2010-03-16?22:27??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\21\409575680831001f1c45aca29f9c9585

?????文件??????12800??2010-03-16?22:30??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\24\5060f2f2e534001f1752baf5b250a57f

?????文件??????12636??2010-03-16?21:49??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\26\60618ced0231001f1ed99d5d11842f4f

?????文件??????12327??2010-03-16?19:15??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\28\707b3953ee30001f1d3fa1eea5be6357

?????文件??????12389??2010-03-16?19:25??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\2a\60a8e296fd30001f1ed99d5d11842f4f

?????文件??????10341??2010-03-16?13:23??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\34\805f15a0ea30001f1d3fa1eea5be6357

?????文件??????12374??2010-03-16?19:24??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\38\3019a999ee30001f1d3fa1eea5be6357

?????文件??????12395??2010-03-16?21:27??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\3e\d033d3b50131001f1ed99d5d11842f4f

?????文件??????12638??2010-03-16?21:50??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\4\20e21f550331001f1ed99d5d11842f4f

?????文件????????619??2010-03-16?12:51??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\4\809623a7b730001f11b8eb0d92e74e01

?????文件??????12089??2010-03-16?18:56??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\42\f0b2d2e7ea30001f1d3fa1eea5be6357

?????文件??????12733??2010-03-16?22:21??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\45\305f04620731001f1c45aca29f9c9585

?????文件??????12793??2010-03-16?22:26??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\46\e0b3af150831001f1c45aca29f9c9585

?????文件??????12566??2010-03-21?13:31??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\47\904c3532ab34001f157ef19a60bae549

?????文件??????13022??2010-03-21?14:41??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\4b\7082f065b534001f157ef19a60bae549

?????文件??????12734??2010-03-16?22:23??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\4c\a0baf8ec0731001f1c45aca29f9c9585

?????文件??????12995??2010-03-21?14:38??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\56\107ff8c1b434001f157ef19a60bae549

?????文件??????12600??2010-03-16?21:42??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\58\7097f8eb0131001f1ed99d5d11842f4f

?????文件??????12341??2010-03-16?19:09??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\59\60a7fabdec30001f1d3fa1eea5be6357

?????文件??????13161??2010-03-21?14:03??計算器\.metadata\.plugins\org.eclipse.core.resources\.history\5c\10cd45bfb234001f157ef19a60bae549

............此處省略307個文件信息

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