shixun1

shixun1/java小组作业代码/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

shixun1/java小组作业代码/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>open</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

shixun1/java小组作业代码/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

shixun1/java小组作业代码/src/open/diushu.java

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+package open;
+
+public class duishu {
+
+	public double duishu(double a,double b) {
+		return Math.log(a)/Math.log(a);
+	}
+
+}

shixun1/java小组作业代码/src/open/main.java

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+package open;
+import java.util.Scanner;
+public class main {
+
+	public main() {
+	
+	}
+
+	public static void main(String[] args) {
+		double a,c; String b;
+		Scanner sc = new Scanner(System.in);
+		a=sc.nextDouble();
+		b=sc.next();
+		if(b.equals("sin")) {
+			sanjiao d=new sanjiao();
+			System.out.println(d.sanjiao("sin", a));
+		}
+		else if(b.equals("cos")) {
+			sanjiao d=new sanjiao();
+			System.out.println(d.sanjiao("cos", a));
+		}
+		else if(b.equals("tan")) {
+			sanjiao d=new sanjiao();
+			System.out.println(d.sanjiao("tan", a));
+		}
+		else if(b.equals("^")) {
+			zhishu d=new zhishu();
+			System.out.println(d.zhishu(a));
+		}
+		else if(b.equals("log")) {
+			duishu d=new duishu();
+			c=sc.nextDouble();
+			System.out.println(d.duishu(a, c));
+		}
+		else if(b.equals("+")) {
+			sizeyunsuan d=new sizeyunsuan();
+			c=sc.nextDouble();
+			System.out.println(d.add(a, c));
+		}
+		else if(b.equals("-")) {
+			sizeyunsuan d=new sizeyunsuan();
+			c=sc.nextDouble();
+			System.out.println(d.subtract(a, c));
+		}
+		else if(b.equals("*")) {
+			sizeyunsuan d=new sizeyunsuan();
+			c=sc.nextDouble();
+			System.out.println(d.multiply(a, c));
+		}
+		else if(b.equals("/")) {
+			sizeyunsuan d=new sizeyunsuan();
+			c=sc.nextDouble();
+			System.out.println(d.divide(a, c));
+		}
+		else System.out.println("´íÎó");
+	}
+
+}

shixun1/java小组作业代码/src/open/sanjiao.java

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+package open;
+
+public class sanjiao {
+	
+public double sanjiao(String a,double b) {
+	double c=Math.toRadians(b);
+	if(a=="sin")
+		return Math.sin(c);
+	else if(a=="cos")
+		return Math.cos(c);
+	else if(a=="tan")
+		return Math.tan(c);
+	return 0;
+}
+
+}

shixun1/java小组作业代码/src/open/sizeyunsuan.java

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+package open;
+
+public class sizeyunsuan {
+
+	public double add(double add1, double add2) {
+		//¼Ó·¨
+		double result;
+		result = add1 + add2;
+		return result;
+	}
+	
+	public double subtract(double sub1, double sub2) {
+		//¼õ·¨
+		double result;
+		result = sub1 - sub2;
+		return result;
+	}
+	
+	public double multiply(double mul1, double mul2) {
+		//³Ë·¨
+		double result;
+		result = mul1 * mul2;
+		return result;
+	}
+	
+	public double divide(double div1, double div2) {
+		//³ý·¨
+		double result;
+		result = div1 / div2;
+		return result;
+	}
+}

shixun1/java小组作业代码/src/open/zhishu.java

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+package open;
+
+public class zhishu {
+
+	public double zhishu(double a) {
+		return Math.pow(Math.E,a);
+		
+	}
+	
+
+}