Polish ternary expressions

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/CommandRunner.java

@@ -54,7 +54,7 @@ public class CommandRunner implements Iterable<Command> {
 	 * @param name the name of the runner or {@code null}
 	 */
 	public CommandRunner(String name) {
-		this.name = (StringUtils.hasLength(name) ? name + " " : "");
+		this.name = StringUtils.hasLength(name) ? name + " " : "";
 	}
 
 	/**

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/init/InitializrServiceMetadata.java

@@ -212,7 +212,7 @@ class InitializrServiceMetadata {
 
 	private String getStringValue(JSONObject object, String name, String defaultValue)
 			throws JSONException {
-		return (object.has(name) ? object.getString(name) : defaultValue);
+		return object.has(name) ? object.getString(name) : defaultValue;
 	}
 
 	private Map<String, String> parseStringItems(JSONObject json) throws JSONException {

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/shell/ShellPrompts.java

@@ -54,7 +54,7 @@ public class ShellPrompts {
 	 * @return the current prompt
 	 */
 	public String getPrompt() {
-		return (this.prompts.isEmpty() ? DEFAULT_PROMPT : this.prompts.peek());
+		return this.prompts.isEmpty() ? DEFAULT_PROMPT : this.prompts.peek();
 	}
 
 }

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/GroovyCompiler.java

@@ -322,7 +322,7 @@ public class GroovyCompiler {
 					return node;
 				}
 			}
-			return (classes.isEmpty() ? null : classes.get(0));
+			return classes.isEmpty() ? null : classes.get(0);
 		}
 
 	}

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/CliTester.java

@@ -154,7 +154,7 @@ public class CliTester implements TestRule {
 				}
 			}
 			else {
-				sources[i] = (new File(arg).isAbsolute() ? arg : this.prefix + arg);
+				sources[i] = new File(arg).isAbsolute() ? arg : this.prefix + arg;
 			}
 		}
 		return sources;