打印对象

java_demo/.idea/.gitignore

-# Default ignored files
-/workspace.xml
\ No newline at end of file

java_demo/pom.xml

@@ -18,7 +18,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
+			<version>4.12</version>
 			<scope>test</scope>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/log4j/log4j -->
@@ -52,6 +52,15 @@
 			<version>3.5</version>
 		</dependency>
 
+		<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
+		<dependency>
+			<groupId>com.google.guava</groupId>
+			<artifactId>guava</artifactId>
+			<version>28.1-jre</version>
+		</dependency>
+
+
+
 
 <dependency>
     <groupId>org.springframework</groupId>
@@ -72,6 +81,12 @@
 			<artifactId>groovy-all</artifactId>
 			<version>2.4.7</version>
 		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>compile</scope>
+		</dependency>
 
 
 	</dependencies>

java_demo/src/main/java/com/cmower/java_demo/stackoverflow/printObject/Cmower.java

+package com.cmower.java_demo.stackoverflow.printObject;
+
+import com.google.common.base.MoreObjects;
+import lombok.ToString;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+public class Cmower {
+
+    private String name;
+
+    public Cmower(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}

java_demo/src/main/java/com/cmower/java_demo/stackoverflow/printObject/Test.java

+package com.cmower.java_demo.stackoverflow.printObject;
+
+import com.google.common.base.MoreObjects;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class Test {
+    public static void main(String[] args) {
+        Cmower cmower = new Cmower("沉默王二");
+        System.out.println(cmower);
+
+        Cmower[] cmowers = {new Cmower("沉默王二"), new Cmower("沉默王三")};
+        System.out.println(Arrays.toString(cmowers));
+
+        System.out.println(ToStringBuilder.reflectionToString(cmower));
+
+        System.out.println(MoreObjects.toStringHelper(cmower)
+                .add("name", cmower.getName())
+                .toString());
+
+        System.out.println(cmower);
+
+List<Cmower> list = new ArrayList<>();
+list.add(new Cmower("沉默王二"));
+list.add(new Cmower("沉默王三"));
+System.out.println(list);
+    }
+}