fix: remove redundant array type when initialized with declaration (PR #566)

jadx-core/src/main/java/jadx/core/codegen/InsnGen.java

@@ -532,8 +532,10 @@ public class InsnGen {
 	}
 
 	private void filledNewArray(FilledNewArrayNode insn, CodeWriter code) throws CodegenException {
+		if (!insn.contains(AFlag.DECLARE_VAR)) {
 			code.add("new ");
 			useType(code, insn.getArrayType());
+		}
 		code.add('{');
 		int c = insn.getArgsCount();
 		for (int i = 0; i < c; i++) {

jadx-core/src/test/java/jadx/tests/integration/arrays/TestArrayInit.java

+package jadx.tests.integration.arrays;
+
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.IntegrationTest;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class TestArrayInit extends IntegrationTest {
+
+	public static class TestCls {
+
+		byte[] bytes;
+
+		@SuppressWarnings("unused")
+		public void test() {
+			byte[] arr = new byte[]{10, 20, 30};
+		}
+
+		public void test2() {
+			bytes = new byte[]{10, 20, 30};
+		}
+	}
+
+	@Test
+	public void test() {
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsString("= {10, 20, 30};"));
+		assertThat(code, containsString("this.bytes = new byte[]{10, 20, 30};"));
+	}
+}

jadx-core/src/test/java/jadx/tests/integration/inline/TestInline2.java

@@ -29,7 +29,7 @@ public class TestInline2 extends IntegrationTest {
 		ClassNode cls = getClassNode(TestCls.class);
 		String code = cls.getCode().toString();
 
-		assertThat(code, containsOne("int[] a = new int[]{1, 2, 4, 6, 8};"));
+		assertThat(code, containsOne("int[] a = {1, 2, 4, 6, 8};"));
 		assertThat(code, containsOne("for (int i = 0; i < a.length; i += 2) {"));
 		assertThat(code, containsOne("for (long i2 = (long) b; i2 > 0; i2--) {"));
 	}