I am using android studio 3.6.3 in my Manjaro Linux I am trying to run c++ in android studio for that i need LLDB I reinstalled andriod studio but couldn\'t find LLDB in sdk
You need to install at least the "NDK (Side by Side)" and "CMake" components as documented on the official site.
I just installed NDK 21.1.6352462 and that did install lldb:
% rg --files -g '*lldb*'
toolchains/llvm/prebuilt/darwin-x86_64/lib64/liblldb.9.0.8svn.dylib
toolchains/llvm/prebuilt/darwin-x86_64/lib64/liblldb.dylib
toolchains/llvm/prebuilt/darwin-x86_64/bin/lldb-argdumper
toolchains/llvm/prebuilt/darwin-x86_64/lib/python2.7/site-packages/lldb/lldb-argdumper
toolchains/llvm/prebuilt/darwin-x86_64/lib/python2.7/site-packages/lldb/_lldb.so
toolchains/llvm/prebuilt/darwin-x86_64/lib64/clang/9.0.8/lib/linux/i386/lldb-server
toolchains/llvm/prebuilt/darwin-x86_64/lib64/clang/9.0.8/lib/linux/aarch64/lldb-server
toolchains/llvm/prebuilt/darwin-x86_64/lib64/clang/9.0.8/lib/linux/x86_64/lldb-server
toolchains/llvm/prebuilt/darwin-x86_64/lib64/clang/9.0.8/lib/linux/arm/lldb-server
You may need to explicitly configure this NDK in your IDE or build process.