Use Arrays.copyOf and Arrays.copyOfRange where possible

Closes gh-23393

spring-aop/src/main/java/org/springframework/aop/framework/AopProxyUtils.java

@@ -180,8 +180,7 @@ public abstract class AopProxyUtils {
 		if (proxy instanceof DecoratingProxy) {
 			nonUserIfcCount++;
 		}
-		Class<?>[] userInterfaces = new Class<?>[proxyInterfaces.length - nonUserIfcCount];
-		System.arraycopy(proxyInterfaces, 0, userInterfaces, 0, userInterfaces.length);
+		Class<?>[] userInterfaces = Arrays.copyOf(proxyInterfaces, proxyInterfaces.length - nonUserIfcCount);
 		Assert.notEmpty(userInterfaces, "JDK proxy must implement one or more interfaces");
 		return userInterfaces;
 	}

spring-aop/src/main/java/org/springframework/aop/framework/ProxyFactoryBean.java

@@ -395,9 +395,7 @@ public class ProxyFactoryBean extends ProxyCreatorSupport
 						logger.debug("Bean with name '" + finalName + "' concluding interceptor chain " +
 								"is not an advisor class: treating it as a target or TargetSource");
 					}
-					String[] newNames = new String[this.interceptorNames.length - 1];
-					System.arraycopy(this.interceptorNames, 0, newNames, 0, newNames.length);
-					this.interceptorNames = newNames;
+					this.interceptorNames = Arrays.copyOf(this.interceptorNames, this.interceptorNames.length - 1);
 				}
 			}
 		}

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -25,6 +25,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
@@ -721,8 +722,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 				synchronized (this) {
 					if (!this.cached) {
 						if (arguments != null) {
-							Object[] cachedMethodArguments = new Object[paramTypes.length];
-							System.arraycopy(descriptors, 0, cachedMethodArguments, 0, arguments.length);
+							DependencyDescriptor[] cachedMethodArguments = Arrays.copyOf(descriptors, arguments.length);
 							registerDependentBeans(beanName, autowiredBeans);
 							if (autowiredBeans.size() == paramTypes.length) {
 								Iterator<String> it = autowiredBeans.iterator();

spring-core/src/main/java/org/springframework/core/annotation/AttributeMethods.java

@@ -268,8 +268,7 @@ final class AttributeMethods {
 			return NONE;
 		}
 		Arrays.sort(methods, methodComparator);
-		Method[] attributeMethods = new Method[size];
-		System.arraycopy(methods, 0, attributeMethods, 0, size);
+		Method[] attributeMethods = Arrays.copyOf(methods, size);
 		return new AttributeMethods(annotationType, attributeMethods);
 	}
 

spring-expression/src/main/java/org/springframework/expression/spel/standard/Tokenizer.java

@@ -501,9 +501,7 @@ class Tokenizer {
 	}
 
 	private char[] subarray(int start, int end) {
-		char[] result = new char[end - start];
-		System.arraycopy(this.charsToProcess, start, result, 0, end - start);
-		return result;
+		return Arrays.copyOfRange(this.charsToProcess, start, end);
 	}
 
 	/**